WO2013082974A1 - Method and apparatus for selecting server - Google Patents

Abstract

Disclosed is a method for selecting a server. The method comprises: judging whether an international mobile subscriber identification number of a SIM card used by a mobile terminal currently is the same as an international mobile subscriber identification number of a SIM card used by the mobile terminal last time; if not, judging whether the SIM card used last time belongs to a first country or district and whether the SIM card used currently belongs to a second country or district; if yes, clearing configuration files of a browser in the mobile terminal; and saving the international mobile subscriber identification number of the SIM card used currently. According to the abovementioned manner, the mobile terminal can automatically select a proper server without restoring factory settings.

Description

Method and device for selecting server

[Technical Field]

 The present invention relates to the field of mobile communications, and in particular, to a method and apparatus for selecting a server.

 【Background technique】

The OperaMini browser is a small browser developed for mobile devices. In order to save resources on the mobile device side, the OperaMini browser is used by the client (Client) and the server (Server) to complete the function of browsing the webpage. That is, the server side completes the parsing of the webpage, and then compresses the encoding and sends it to the client side of the OperaMini browser for display. The OperaMini browser also selects different servers depending on the region, so as to speed up browsing.

However, due to the limitations of China's Server access to some web pages, the processing power of Chinese domestic servers and foreign servers is different. For example, foreign operators require mobile browsers to log in to social networking sites such as facebook and tweeter. However, according to Chinese regulations, these websites are forbidden to visit. So if the OperaMini browser uses the SIM of the Chinese carrier Cards, these websites are forbidden to visit. If you use the SIM card of a foreign carrier, websites such as facebook and tweeter are accessible.

The newer version of the OperaMini browser enables the automatic selection of the server, which automatically selects whether to use the domestic or foreign server according to the language, region and SIM card, thus fulfilling different needs.

At present, although the OperaMini browser can automatically select Server, there is still a defect when the user first uses the SIM of the Chinese operator. When the card is used, the OperaMini configuration file records the information of the server, and then switches to the foreign carrier's SIM card, and can no longer switch to the foreign server, so the website that the foreign operator allowed to access is blocked by the Chinese server. Unless you restore the factory settings of your phone, use the SIM of the foreign carrier. Card can be used normally. However, it is very inconvenient for the user, because all user information will be lost after the factory reset. This has caused problems for some users who travel frequently at home and abroad.

 [Summary of the Invention]

The technical problem to be solved by the present invention is to provide a method and apparatus for selecting a server, which can automatically select a suitable server without restoring the factory settings, and can avoid unnecessary Internet access restrictions.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a method for selecting a server, the method comprising: determining an international mobile subscriber identity of a SIM card used by the mobile terminal and a SIM card used in the previous time. Whether the international mobile subscriber identity is the same; if the result of the above determination is different, it is determined whether the SIM card used in the previous time belongs to a SIM card used by a non-Chinese communication carrier, and whether the SIM card used this time belongs to mainland China The SIM card used by the communication carrier; if the above judgment results belong to all, the configuration file including the @OperaMini folder of the browser in the mobile terminal is cleared; and the international mobile subscriber identification code of the SIM card used this time is saved.

Wherein, determining whether the SIM card used by the mobile terminal before is a SIM card used by a non-Chinese communication carrier, and whether the SIM card used in this time belongs to a SIM card used by a Chinese communication carrier includes: if any of the above If the item or the above judgment is negative, the international mobile subscriber identity code of the SIM card used this time is saved.

Wherein, in the step of saving the international mobile subscriber identity code of the SIM card used in the current use, so that the browser performs the handover of the server, the information of the SIM card used in the current time is saved in a non-volatile manner. Random access memory.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a method for selecting a server, the method comprising: determining an international mobile subscriber identity of a SIM card used by the mobile terminal and a SIM card used last time. Whether the international mobile subscriber identity is the same; if the result of the above judgment is different, it is determined whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region; If the result of the judgment belongs to all, the configuration file of the browser in the mobile terminal is cleared, so that the browser performs the server switching; and the international mobile subscriber identification code of the SIM card used this time is saved.

Wherein, determining whether the previously used SIM card belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region includes: determining whether the previously used SIM card belongs to a non-Chinese communication carrier Whether the SIM card used in this time or the SIM card used in this time belongs to the SIM card used by the Chinese communication carrier.

The step of clearing the configuration file of the browser in the mobile terminal to enable the browser to perform the server switching includes: clearing the configuration file of the browser in the mobile terminal including the @OperaMini folder.

Wherein, determining whether the previously used SIM card belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region includes: if any one of the above or above is negative, the current time is saved. The international mobile subscriber identity of the SIM card used.

The information of the SIM card used this time is stored in the non-volatile random access memory in the step of storing the international mobile subscriber identity code of the SIM card used in this time so that the browser performs the server switching.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a device for selecting a server, the device comprising: a first determining module, configured to determine an international mobile subscriber identity of the SIM card used by the mobile terminal. Whether the international mobile subscriber identity code of the previously used SIM card is the same; the second judging module is configured to determine whether the SIM card used last time belongs to the first country or region when the judgment result of the first judging module is different Whether the SIM card used in this time belongs to the second country or region; the clearing module is configured to clear the configuration file of the browser in the mobile terminal when the judgment result of the second determining module belongs to the browser, so that the browser performs the server Switching; the first saving module is used to save the international mobile subscriber identity of the SIM card used this time.

The second determining module is specifically configured to determine whether the SIM card used in the previous time belongs to a SIM card used by a non-Chinese communication carrier, and whether the SIM card used in this time belongs to a SIM card used by a Chinese communication carrier.

The clearing module is specifically configured to clear a configuration file including a @OperaMini folder of the browser in the mobile terminal.

The device includes a second save module, and the second save module is configured to save the international mobile subscriber identity of the used SIM card when any one or more of the determination results of the second determination module is negative. .

The first saving module is specifically configured to save the information of the SIM card used this time in the non-volatile random access memory.

The invention has the beneficial effects that the prior art mobile terminal needs to restore the factory settings when the cross-border use is used to eliminate the limitation of accessing the Internet. The present invention first determines the international mobile subscriber identity of the SIM card used by the mobile terminal. Whether the code is the same as the international mobile subscriber identity code of the SIM card used last time. If it is different, it means that the mobile terminal is used for the first time after cross-border, and there may be a situation in which access to the Internet is restricted due to cross-border use. Continue to judge whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used this time belongs to the second country or region, and determine whether there is a case where the access to the Internet is restricted, and if so, only clear the browsing in the mobile terminal. The configuration file of the device replaces the means of restoring the factory settings, so that the server can also be switched normally to access the Internet, and the international mobile subscriber identity of the SIM card used this time is saved. In the above manner, it is apparent that the mobile terminal can automatically select an appropriate server without restoring the factory settings, and can avoid unnecessary Internet access restrictions.

 [Description of the Drawings]

1 is a schematic flow chart of an embodiment of a method for selecting a server according to the present invention;

2 is a schematic flow chart of another embodiment of a method for selecting a server according to the present invention;

FIG. 3 is a schematic structural diagram of an apparatus for selecting a server according to the present invention.

 【detailed description】

The invention will now be described in detail in conjunction with the drawings and embodiments.

FIG. 1 is a schematic flowchart of a method for selecting a server according to an embodiment of the present invention, and the specific implementation steps are as follows:

Step 101: Determine whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the SIM card used previously;

First, when the mobile terminal uses the SIM card, the information of the SIM card is recorded, so that when the SIM card is replaced, the mobile terminal reads the last recorded SIM. Card information and the information of this SIM card, and compare the two. The information of the SIM card described here refers to the international mobile subscriber identity of the SIM card (international mobile Subscriber identity, IMSI). IMSI is the number assigned internationally to uniquely identify a mobile subscriber.

There are 15 IMSIs, and their structure is as follows:

MCC+MNC+MSIN

MCC: Mobile Country Code, mobile country code, a total of 3, China is 460;

MNC: Mobile Network Code, mobile network code, a total of 2 digits, such as: China Unicom CDMA system uses 03, a typical IMSI number is 46300301121121001;

MSIN: Mobile Subscriber Identification Number, mobile user ID, has a total of 10 digits, and its structure is as follows:

09+M0M1M2M3+ABCD

Among them, there is a corresponding relationship between M0M1M2M3 and H0H1H2H3 in the MDN number, and the four bits of ABCD are freely allocated. IMSI and The MDN is stored in different network entities. MDN (Mobile Directory Number) It is the personal number of each user. For example, China Unicom MDN starts with 133 and is stored in the Home Location Register (HLR). IMSI is the ID of each user inside the system and is stored in the user identification module (User Identity). Module, UIM). When the user purchases a UIM card and selects a number, the correspondence between the IMSI and the MDN is established, and the correspondence is stored in the HLR.

It can be seen that the IMSI adds the MCC before the MSIN number, which can distinguish the country from which each user is from, so international roaming can be achieved. In the same country, if there are multiple operators, the difference can be made through MNC.

Step 102: If the result of the foregoing determination is different, it is determined whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region;

When it is determined that the international mobile subscriber identity of the SIM card used by the mobile terminal is not the same as the international mobile subscriber identity of the previously used SIM card, it is necessary to continue to determine whether the SIM card used in the previous time belongs to the first country or region. Whether the SIM card used this time belongs to the second country or region. The first country or region referred to here refers to mainland China, and the second country or region refers to any foreign country. The specific need to judge is whether the previous use is the SIM of the Chinese communication carrier. Card, whether this use is the SIM card of the foreign communication carrier, we can judge whether to change the SIM card of the Chinese communication carrier to the SIM of the foreign communication carrier according to the first three digits of the IMSI. Card. At the same time, the mobile terminal also needs to judge whether the SIM card used in the previous time belongs to the SIM card used by the non-Chinese communication operator, and whether the SIM card used this time belongs to the SIM card used by the Chinese communication operator.

When it is judged that the international mobile subscriber identity code of the SIM card used by the mobile terminal this time is the same as the international mobile subscriber identity code of the SIM card used last time, no operation is performed.

In other embodiments, the first country or region refers to a country or region where access to the Internet is restricted, and the second country or region refers to a country or region where access to the Internet is not restricted. In the process of switching the SIM card of the mobile terminal, the access of the browser is from the access to the Internet-restricted country or region to the unrestricted country or region, and is within the scope of the present invention.

Step 103: If the result of the foregoing determination belongs to all, clear the configuration file of the browser in the mobile terminal, so that the browser performs the server switching;

When the judgment result is that the SIM card of the Chinese communication carrier is replaced with the SIM card of the foreign communication carrier, the configuration file of the browser is deleted.

Take the OperaMini browser as an example. You need to delete the configuration file of the OperaMini browser, that is, the @OperaMini folder. The information of the configuration file refers to the traces that the user browses using Opera, including the information of the Opera server, user settings, and browsing information. Information about all configuration files is saved in the @OperaMini folder.

When the user first uses the SIM of the Chinese mainland operator After the card, the configuration file of the OperaMini browser will record the information of the server, so if it is replaced by the SIM of the foreign communication carrier. Card, OperaMini browser can not be switched to a foreign server, so that the websites that foreign communication operators are allowed to access are blocked by the mainland China server. Therefore, you need to delete the configuration file information so that the OperaMini browser can switch to a foreign server. By deleting all the configuration information of the OperaMini browser, the user simply loses the user information of the browser without losing all the user information in the mobile terminal. Avoiding the SIM of the Chinese mainland operators in the prior art Replace the card with the SIM of the foreign communication carrier When the card is used, it is necessary to restore the factory settings of the mobile terminal, in order to switch to the disadvantages of the foreign server, that is, all the user information is lost after the factory setting is restored. The invention can minimize the loss of user information, brings convenience to the user, and provides a solution for the C/S mode mobile phone application having such problems.

Step 104: Save the international mobile subscriber identity of the SIM card used this time.

The information of the SIM card used this time is stored in a non-volatile random access memory (Non-Volatile Random Access). Memory, NVRAM). When it is determined that the international mobile subscriber identity code of the SIM card used by the mobile terminal is not the same as the international mobile subscriber identity code of the SIM card used last time, it is necessary to save the information of the SIM card used this time.

Among them, if you use a foreign SIM card to roam in China, there is no problem of switching servers. Because roaming in China or using the network of foreign operators, there is no problem of restricting website browsing. The present invention is directed to people who travel frequently in China and abroad, that is, as long as they cut into a server in China, they can no longer switch to a foreign server.

Different from the prior art, when the mobile terminal needs to restore the factory settings to eliminate the limitation of accessing the Internet during cross-border use, the present invention first determines the international mobile subscriber identity of the SIM card used by the mobile terminal and the previously used SIM. Whether the international mobile subscriber identity of the card is the same. If it is different, it means that the mobile terminal is used for the first time after cross-border. There may be a situation where access to the Internet is restricted due to cross-border use. Therefore, the SIM that was used last time is continuously judged. Whether the card belongs to the first country or region, and whether the SIM card used this time belongs to the second country or region, and judge whether there is a case where the access to the Internet is restricted, and if so, only the configuration file of the browser in the mobile terminal is cleared instead of the recovery. The factory setting means that the server can also be switched normally to access the Internet, and the international mobile subscriber identity of the SIM card used this time is saved. In the above manner, it is apparent that the mobile terminal can automatically select an appropriate server without restoring the factory settings, and can avoid unnecessary Internet access restrictions.

2 is a schematic flowchart of another embodiment of a method for selecting a server according to the present invention, and the specific implementation steps are as follows:

 Step 201, Reading the international mobile subscriber identity of the SIM card used by the mobile terminal and the international mobile subscriber identity of the SIM card used this time;

When the mobile terminal uses the SIM card, the information of the SIM card is recorded, and the information of the SIM card is saved in the non-volatile random access memory, so that when the SIM card is replaced, the mobile terminal reads the last recorded SIM. Card information and information about this SIM card. The information of the SIM card described herein refers to the international mobile subscriber identity of the SIM card.

Step 202: Determine whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the SIM card used previously;

Specifically, it is necessary to determine whether the IMSI of the SIM card used by the mobile terminal is the same as the IMSI of the SIM card used last time.

Step 203, the international mobile subscriber identity code of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity code of the SIM card used last time, then go to step 208;

When it is determined that the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the previously used SIM card, the operation of selecting the server is ended.

Step 204: If the result of the foregoing determination is different, determine whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region;

When it is determined that the international mobile subscriber identity of the SIM card used by the mobile terminal is not the same as the international mobile subscriber identity of the previously used SIM card, it is necessary to continue to determine whether the SIM card used in the previous time belongs to the first country or region. Whether the SIM card used this time belongs to the second country or region. The first country or region referred to here refers to mainland China, and the second country or region refers to any foreign country. In this embodiment, the judgment of the country or region is mainly judged by the mobile country code of the IMSI.

The specific need to judge whether the previous use is the SIM card of the Chinese communication carrier, whether this use is the SIM of the foreign communication carrier Card, we can judge whether to change the SIM card of the Chinese communication carrier to the SIM of the foreign communication carrier according to the first three digits of the IMSI. Card. At the same time, the mobile terminal also needs to judge whether the SIM card used in the previous time belongs to the SIM card used by the non-Chinese communication operator, and whether the SIM card used this time belongs to the SIM card used by the Chinese communication operator.

Step 205: If the result of the foregoing determination belongs to, the configuration file of the browser in the mobile terminal is cleared, so that the browser performs the server switching.

When the judgment result is that the SIM card of the Chinese communication carrier is replaced with the SIM card of the foreign communication carrier, the configuration file of the browser is deleted.

Take the OperaMini browser as an example. You need to delete the configuration file of the OperaMini browser, that is, the @OperaMini folder. The information of the configuration file refers to the traces that the user browses using Opera, including the information of the Opera server, user settings, and browsing information. Information about all configuration files is saved in the @OperaMini folder.

When the user first uses the SIM of the Chinese mainland operator After the card, the configuration file of the OperaMini browser will record the information of the server, so if it is replaced by the SIM of the foreign communication carrier. Card, OperaMini browser can not be switched to a foreign server, so that the websites that foreign communication operators are allowed to access are blocked by the mainland China server. Therefore, you need to delete the configuration file information so that the OperaMini browser can switch to a foreign server. By deleting all the configuration information of the OperaMini browser, the user simply loses the user information of the browser without losing the user information used in the mobile terminal. Avoiding the SIM of the Chinese mainland operators in the prior art Replace the card with the SIM of the foreign communication carrier When the card is used, it is necessary to restore the factory settings of the mobile terminal, in order to switch to the disadvantages of the foreign server, that is, all the user information is lost after the factory setting is restored. The invention can minimize the loss of user information, brings convenience to the user, and provides a solution for the C/S mode mobile phone application having such problems.

Step 206, if any of the above or above is negative, then go to step 207;

If the above judgment is negative or not, the SIM card used in the previous time does not belong to the first country or region, and the SIM card used in this time belongs to the second country or region; the SIM card used in the previous time belongs to the first country. Or the region, the SIM card used this time does not belong to the second country or region; the SIM card used in the previous time does not belong to the first country or region, and the SIM card used this time does not belong to the second country or region.

Step 207, saving an international mobile subscriber identity code of the SIM card used this time;

In step 204, it is determined whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in this time belongs to the judgment result of the second country or region, regardless of whether the judgment result is all belonged, or any one of the judgment results If the item or the above does not belong, it is necessary to save the international mobile subscriber identity code of the SIM card used this time in the non-volatile random access memory.

Step 208, ending the operation of selecting the server.

Different from the prior art, when the mobile terminal needs to restore the factory settings to eliminate the limitation of accessing the Internet during the cross-border use, the embodiment first determines the international mobile subscriber identity of the SIM card used by the mobile terminal and the previous use. Is the international mobile subscriber identity of the SIM card the same? If it is different, it means that the mobile terminal is used for the first time after cross-border. There may be a situation where access to the Internet is restricted due to cross-border use, so continue to judge the previous use. Whether the SIM card belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region, and judges whether there is a case where the access to the Internet is restricted, and if so, only the configuration file of the browser in the mobile terminal is cleared instead. The means of restoring the factory settings, so that the server can also be switched normally to access the Internet, and the international mobile subscriber identity of the SIM card used this time is saved. In the above manner, it is apparent that the mobile terminal can automatically select an appropriate server without restoring the factory settings, and can avoid unnecessary Internet access restrictions.

3 is a schematic structural diagram of an apparatus for selecting a server according to the present invention. As shown in the figure, the apparatus includes: a first determining module 31, a second determining module 32, a clearing module 33, a first saving module 34, and a second saving. Module 35.

The first determining module 31 is configured to determine whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the previously used SIM card; the second determining module 32 is configured to use the first If the result of the determination of 31 is different, it is determined whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used this time belongs to the second country or region; the clearing module 33 is used in the second determining module 32. When the judgment result is all the same, the configuration file of the browser in the mobile terminal is cleared, so that the browser performs the server switching; the first saving module 34 is configured to save the international mobile subscriber identification code of the SIM card used this time; The module 35 is specifically configured to save the international mobile subscriber identity code of the SIM card used this time when any one or more of the determination results of the second determination module 32 is negative.

The second judging module 32 is specifically configured to determine whether the SIM card used in the previous time belongs to a SIM card used by a non-Chinese communication carrier, and whether the SIM card used in this time belongs to a SIM card used by a Chinese telecommunications carrier. The clearing module 33 is specifically configured to clear a configuration file including a @OperaMini folder of the browser in the mobile terminal. The first saving module 34 is specifically configured to save the information of the SIM card used this time in the non-volatile random access memory.

In this embodiment, the mobile terminal first reads the international mobile subscriber identity code of the last recorded SIM card and the current SIM. The international mobile subscriber identity of the card is determined. Then, the first determining module 31 determines whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the previously used SIM card. When the determination result of the module 31 is different, the second determining module 32 continues to determine whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used this time belongs to the second country or region. The first country or region referred to here refers to mainland China, and the second country or region refers to any foreign country. In this embodiment, the judgment of the country or region is mainly judged by the mobile country code of the IMSI.

When the second judging module 32 judges that the mobile terminal used the SIM card of the Chinese communication carrier the previous time, the SIM used as the foreign communication carrier is used this time. When the card is in use, the clearing module 33 clears the configuration file of the browser in the mobile terminal, so that the browser performs the switching of the server. Take the OperaMini browser as an example. You need to delete the configuration file of the OperaMini browser, that is, the @OperaMini folder. The information of the configuration file refers to the traces that the user browses using Opera, including the information of the Opera server, user settings, and browsing information. Information about all configuration files is saved in the @OperaMini folder.

The function of the second judging module 32 is to determine whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region, regardless of whether the judgment result of the second judging module 32 belongs to all, If any one or more of the judgment results do not belong, the first save module 34 or the second save module 35 needs to save the international mobile subscriber identity code of the SIM card used this time in the non-volatile random access memory. When the international mobile subscriber identity code of the SIM card used this time and the browser switching server are saved, the operation of selecting the server is ended.

Different from the prior art, when the mobile terminal needs to restore the factory settings to eliminate the limitation of accessing the Internet during the cross-border use, the embodiment first determines the international mobile subscriber identity of the SIM card used by the mobile terminal and the previous use. Is the international mobile subscriber identity of the SIM card the same? If it is different, it means that the mobile terminal is used for the first time after cross-border. There may be a situation where access to the Internet is restricted due to cross-border use, so continue to judge the previous use. Whether the SIM card belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region, and judges whether there is a case where the access to the Internet is restricted, and if so, only the configuration file of the browser in the mobile terminal is cleared instead. The means of restoring the factory settings, so that the server can also be switched normally to access the Internet, and the international mobile subscriber identity of the SIM card used this time is saved. In the above manner, it is apparent that the mobile terminal can automatically select an appropriate server without restoring the factory settings, and can avoid unnecessary Internet access restrictions.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims (13)

1. A method of selecting a server, including:

   Determining whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the previously used SIM card;

   If the result of the above determination is different, it is determined whether the previously used SIM card belongs to a SIM card used by a non-Chinese communication carrier, and whether the SIM card used this time belongs to a SIM card used by a Chinese communication carrier;

   If the foregoing determination results are all belong to, the configuration file including the @OperaMini folder of the browser in the mobile terminal is cleared;

   The international mobile subscriber identity of the SIM card used this time is saved.
2. The method of claim 1 wherein

   The step of determining whether the previously used SIM card belongs to a SIM card used by a non-Chinese communication carrier, and whether the SIM card used in this time belongs to a SIM card used by a Chinese communication carrier includes:

   If any of the above or the above is negative, the international mobile subscriber identity of the SIM card used in the current use is saved.
3. The method of claim 1 wherein

   In the step of saving the international mobile subscriber identity code of the SIM card used in this time, so that the browser performs the handover of the server, the information of the SIM card used this time is stored in a non-volatile random Access to memory.
4. A method of selecting a server, including:

   Determining whether the international mobile subscriber identity of the SIM card used by the mobile terminal is the same as the international mobile subscriber identity of the previously used SIM card;

   If the result of the above determination is different, it is determined whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in the current time belongs to the second country or region;

   If the result of the foregoing determination belongs to, the configuration file of the browser in the mobile terminal is cleared, so that the browser performs the switching of the server;

   The international mobile subscriber identity of the SIM card used this time is saved.
5. The method of claim 4, wherein

   The determining whether the previously used SIM card belongs to the first country or region, and whether the SIM card used in this time belongs to the second country or region includes:

   It is judged whether the SIM card used in the previous time belongs to the SIM card used by the non-Chinese communication operator, and whether the SIM card used this time belongs to the SIM card used by the Chinese communication operator.
6.  The method of claim 4, wherein

   The step of clearing a configuration file of a browser in the mobile terminal, so that the browser performs the switching of the server, includes:

   Clearing the configuration file of the browser in the mobile terminal, including the @OperaMini folder.
7. The method of claim 4, wherein

   The step of determining whether the previously used SIM card belongs to the first country or region, and whether the SIM card used this time belongs to the second country or region includes:

   If any of the above or the above is negative, the international mobile subscriber identity of the SIM card used in the current use is saved.
8. The method of claim 4, wherein

   In the step of saving the international mobile subscriber identity code of the SIM card used in this time, so that the browser performs the handover of the server, the information of the SIM card used this time is stored in a non-volatile random Access to memory.
9. A device for selecting a server, wherein the device comprises:

   a first determining module, configured to determine whether an international mobile subscriber identity of the SIM card used by the mobile terminal is the same as an international mobile subscriber identity of the SIM card used previously;

   a second judging module, configured to determine, when the judgment result of the first judging module is different, whether the SIM card used in the previous time belongs to the first country or region, and whether the SIM card used in the current time belongs to the first Two countries or regions;

   a clearing module, configured to: when the determination result of the second determining module belongs to, clear a configuration file of the browser in the mobile terminal, so that the browser performs the switching of the server;

   The first saving module is configured to save an international mobile subscriber identity of the SIM card used this time.
10. The device according to claim 9, wherein

    The second determining module is specifically configured to determine whether the previously used SIM card belongs to a SIM card used by a non-Chinese communication operator, and whether the SIM card used in this time belongs to a SIM card used by a Chinese communication carrier.
11. The apparatus according to claim 9, wherein

    The clearing module is specifically configured to clear a configuration file of the browser in the mobile terminal, including the @OperaMini folder.
12. The device of claim 9 wherein said device comprises:

    The second saving module is configured to save the international mobile subscriber identity code of the SIM card used this time when any one or more of the determination results of the second determining module is negative.
13. The apparatus according to claim 9, wherein

    The first saving module is specifically configured to save the information of the SIM card used this time in a non-volatile random access memory.

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