WO2018137307A1

WO2018137307A1 - Method and device for switching wi-fi working channels

Info

Publication number: WO2018137307A1
Application number: PCT/CN2017/089026
Authority: WO
Inventors: 张庆立
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-01-25
Filing date: 2017-06-19
Publication date: 2018-08-02
Also published as: CN108347754A

Abstract

A method and device for switching wireless fidelity (Wi-Fi) working channels. The method comprises: obtaining a first mobile country code (MCC) currently registered to a mobile network (101); determining a Wi-Fi working channel corresponding to the first MCC according to the first MCC and a preset switching rule when the first MCC is inconsistent with a second MCC registered to the mobile network the last time (102); and switching the current Wi-Fi working channel to the Wi-Fi working channel corresponding to the first MCC (103).

Description

Wi-Fi working channel switching method and device

Technical field

This document relates to, but is not limited to, the field of Wireless-Fidelity (Wi-Fi) technology of a terminal, and in particular, to a method and an apparatus for switching a Wi-Fi working channel.

Background technique

Wi-Fi is a technology that allows electronic devices to connect to a Wireless Local Area Network (WLAN). Wi-Fi is one of the most commonly used functions of electronic devices, with users all over the world, but Wi-Fi is available in different parts of the world. -Fi's 2.4G and 5G bands have different working channels, and different countries and regions have different working channels when using Wi-Fi. For example, in the 2.4G band, some countries require operation on channels 1-11, and some countries require operation on channels 1-13, with larger differences in the 5G band.

At present, the mobile phone's Wi-Fi working channel is automatically switched. The mobile phone sold to a certain country is configured according to the working channel of the local frequency band. Before the user inserts the Subscriber Identification Module (SIM) card, The working channel of the default configuration works. If the user inserts the SIM card, the working channel is determined according to the information of the SIM card; but when the mobile phone roams to another country and the user does not replace the SIM card of the country, the Wi- of the mobile phone The Fi working channel does not automatically switch to the working channel specified by the roaming country, so it is easy to violate the local laws of the country when using Wi-Fi. Therefore, the above-mentioned Wi-Fi working channel switching method cannot solve the problem when the user roams. Happening.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a method and a device for switching a Wi-Fi working channel, so as to realize Wi-Fi of the terminal when the terminal roams to another country and the user does not replace the SIM card of the country. The working channel can be automatically switched to the working channel specified by the country to avoid violating the local laws of the country when using Wi-Fi.

The technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a method for switching a wireless fidelity Wi-Fi working channel, where the method includes:

Obtaining the first mobile country code MCC currently registered to the mobile network;

Determining, according to the first MCC and the preset switching rule, a Wi-Fi working channel corresponding to the first MCC, when the first MCC is inconsistent with the second MCC that is registered to the mobile network last time;

The current Wi-Fi working channel is switched to the Wi-Fi working channel corresponding to the first MCC.

In the foregoing solution, before the acquiring the first mobile country code MCC currently registered to the mobile network, the method further includes:

Determining whether the MCC of the current customer identification module SIM card is consistent with the locally stored MCC;

The obtaining the first MCC currently registered to the mobile network includes:

And acquiring, when the MCC of the current SIM card is consistent with the locally stored MCC, the first MCC currently registered to the mobile network.

In the foregoing solution, after the acquiring the first mobile country code MCC currently registered to the mobile network, the method further includes:

Determining whether the first MCC is consistent with the second MCC that was last registered to the mobile network, wherein the second MCC is the default MCC if there is no second MCC that was last registered to the mobile network.

In the foregoing solution, the acquiring the first mobile country code MCC currently registered to the mobile network includes:

When there are two or more communication systems, a communication system is determined according to a preset priority rule;

Acquiring the first MCC currently registered to the mobile network according to the determined communication system.

In the foregoing solution, the determining, by the first MCC, the Wi-Fi working channel corresponding to the first MCC according to the preset switching rule, includes:

Determining, according to the relationship between the first MCC and the Wi-Fi working channel corresponding to each MCC, a Wi-Fi working channel corresponding to the first MCC requirement corresponding to the first MCC.

An embodiment of the present invention further provides an apparatus for switching a wireless fidelity Wi-Fi working channel, where the apparatus includes:

Obtaining a module, configured to obtain a first mobile country code MCC currently registered to the mobile network;

a determining module, configured to determine, according to the first MCC and the preset switching rule, the wireless fidelity Wi corresponding to the first MCC, when the first MCC is inconsistent with the second MCC that was last registered to the mobile network -Fi working channel;

The switching module is configured to switch the current Wi-Fi working channel to a Wi-Fi working channel corresponding to the first MCC.

In the above solution, the device further includes:

The determining module is configured to determine whether the MCC of the current customer identification module SIM card is consistent with the locally stored MCC;

The acquiring module is configured to acquire the first MCC currently registered to the mobile network when the MCC of the current SIM card is consistent with the locally stored MCC.

In the above solution, the determining module is further configured to determine whether the first MCC is consistent with the second MCC that was last registered to the mobile network, where, if there is no second MCC that was last registered to the mobile network, The second MCC is a default MCC.

In the above solution, the determining module is further configured to: when there are two or more communication systems, determine a communication standard according to a preset priority rule;

The obtaining module is further configured to acquire the first MCC currently registered to the mobile network according to the determined communication system.

In the above solution, the determining module is configured to determine, according to the relationship between the first MCC and a Wi-Fi working channel corresponding to each MCC, that the first MCC meets the first MCC requirement. Wi-Fi working channel.

The method and device for switching the Wi-Fi working channel provided by the embodiment of the present invention, by acquiring the first mobile country code MCC currently registered to the mobile network, the first MCC is inconsistent with the second MCC registered to the mobile network last time. Determining, according to the first MCC, a Wi-Fi working channel corresponding to the first MCC, and switching the current Wi-Fi working channel to the Wi-Fi corresponding to the first MCC. Working channel; realizes that when the terminal roams to another country or region, and the user does not replace the SIM card of the country, the original SIM card can be used to communicate with the network operator of the country, and the Wi- of the terminal can be The Fi working channel automatically switches to the working channel specified by the country, thus avoiding violations of local laws in the country when using Wi-Fi.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a flowchart of Embodiment 1 of a method for Wi-Fi working channel switching according to the present invention;

2 is a flowchart of Embodiment 2 of a method for Wi-Fi working channel switching according to the present invention;

3 is a schematic diagram of acquiring interaction signaling according to Embodiment 2 of a method for Wi-Fi working channel switching according to the present invention;

FIG. 4 is a schematic structural diagram of an apparatus for switching a Wi-Fi working channel according to the present invention.

Embodiments of the invention

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

1 is a flowchart of a first embodiment of a method for Wi-Fi working channel switching according to the present invention. The method for switching a Wi-Fi working channel according to an embodiment of the present invention is applied to a terminal having a Wi-Fi function, and the terminal can be The form is implemented; for example, the terminal described in the embodiment of the present invention may include, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a personal digital assistant (PDA), a tablet computer (PAD), a portable multimedia player ( A mobile terminal such as a PMP), a navigation device, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like; below, it is assumed that the terminal is a mobile terminal.

As shown in FIG. 1, the method for switching a Wi-Fi working channel provided by an embodiment of the present invention may include The following steps:

Step 101: Acquire a first mobile country code MCC currently registered to the mobile network.

The mobile terminal acquires a first Mobile Country Code (MCC) currently registered to the mobile network; the first MCC is an MCC obtained by the mobile terminal from the interaction signaling through the mobile network and interacting with the network operator, and Not the MCC carried in the SIM card.

Step 102: Determine, according to the first MCC, a Wi-Fi working channel corresponding to the first MCC, according to the first MCC and the preset switching rule, when the first MCC is inconsistent with the second MCC that is registered to the mobile network.

The mobile terminal determines that when the first MCC is inconsistent with the second MCC that was last registered to the mobile network, that is, the mobile terminal determines that the currently acquired MCC is inconsistent with the MCC of the last registration to the mobile network stored in the local memory, the mobile terminal Determining a required Wi-Fi working channel corresponding to the first MCC according to the first MCC and a preset switching rule stored in the local memory.

If the second MCC that was last registered to the mobile network is not stored in the local memory, the second MCC is the default MCC, and the MCC of the country or region where the mobile terminal is sold in a certain country or region is used as the default. The MCC, or the MCC of the currently inserted SIM card, is used as the default MCC.

Here, the preset switching rule stored in the local memory may be a preset relationship of the Wi-Fi working channel corresponding to each MCC, and optionally it may be for each country and/or region of the world for Wi-Fi. The correspondence list of the working channels of the 2.4G and/or 5G frequency bands may also be a correspondence data table of the working channels of the 2.4G and/or 5G frequency bands of Wi-Fi in each country and/or region of the world, or may be The correspondence between the working channels of 2.4G and/or 5G bands of Wi-Fi in each country and/or region of the world points to the internationally accepted standard information such as tables.

Step 103: Switch the current Wi-Fi working channel to a Wi-Fi working channel corresponding to the first MCC.

The mobile terminal switches the current Wi-Fi working channel corresponding to the second MCC to the required Wi-Fi working channel corresponding to the first MCC.

For example, the second MCC of the mobile terminal is 100, and the corresponding 2.4 G Wi-Fi working channel is 1-10; when the mobile terminal determines that the current MCC is changed to the first MCC is 200, according to the preset The rule determines that the 2.4G Wi-Fi working channel corresponding to the first MCC is 1-13, and switches the currently corresponding 2.4G Wi-Fi working channel 1-10 to the Wi corresponding to the first MCC. -Fi working channel 1-13.

The method for switching the Wi-Fi working channel provided by the embodiment of the present invention, the mobile terminal obtains the first mobile country code MCC currently registered to the mobile network, and the first MCC is inconsistent with the second MCC that is last registered to the mobile network. Determining, according to the first MCC, a Wi-Fi working channel corresponding to the first MCC, and switching the current Wi-Fi working channel to the Wi-Fi corresponding to the first MCC. Working channel; realizing that when the mobile terminal roams to another country or region, and the user does not replace the SIM card of the country, the original SIM card is used to interact with the signaling of the country's network operator, and the mobile terminal can be The Wi-Fi working channel automatically switches to the working channel specified by the country, thus avoiding violations of local laws in the country when using Wi-Fi.

2 is a flowchart of Embodiment 2 of a Wi-Fi working channel switching method according to the present invention. As shown in FIG. 2, the Wi-Fi working channel switching method provided by the embodiment of the present invention can be applied to a mobile phone with Wi-Fi function. The method for switching the Wi-Fi working channel provided by the embodiment of the present invention may include the following steps:

Step 201: Determine whether the MCC of the current SIM card is consistent with the locally stored MCC.

The mobile phone determines whether the MCC of the current SIM card is consistent with the locally stored MCC, and determines that the MCC of the current SIM card is inconsistent with the locally stored MCC, and performs steps 202-203; and determines that the MCC of the current SIM card is consistent with the locally stored MCC, Step 204 and subsequent steps.

Step 202: Determine a Wi-Fi working channel corresponding to the MCC of the SIM card according to the relationship between the MCC of the SIM card and the Wi-Fi working channel corresponding to each MCC.

The mobile phone determines a Wi-Fi working channel corresponding to the MCC of the SIM card according to the relationship between the MCC of the SIM card and the Wi-Fi working channel corresponding to each MCC; optionally, preset the corresponding corresponding to each MCC. The relationship of the Wi-Fi working channel can be a correspondence list of working channels of 2.4G and/or 5G bands of Wi-Fi in each country and/or region of the world, or for each country and/or region in the world. Wi-Fi's 2.4G and/or 5G frequency band working channel correspondence data table can also be used to map the correspondence between Wi-Fi 2.4G and/or 5G frequency bands in each country and/or region of the world. Table and other internationally accepted standard information.

Step 203: Switch the current Wi-Fi working channel to a Wi-Fi working channel corresponding to the MCC of the SIM card.

The mobile phone switches the current Wi-Fi working channel to the Wi-Fi working channel corresponding to the MCC of the SIM card, and completes the switching work.

Step 204: Acquire a first MCC currently registered to the mobile network.

When the mobile phone registers with the mobile network operator's network, the mobile phone can obtain the first MCC of the current mobile network from the interactive signaling in the process of registering the mobile network.

Optionally, when the mobile phone has two or more communication systems, the communication system can be determined according to the preset priority rule, and the first MCC currently registered to the mobile network is obtained according to the determined communication system. For example, when the mobile phone has three communication systems A, B, and C, it can determine the highest priority A as the preferred communication system according to the priority order relationship A>B>C set by the user in advance; A communication system to obtain the first MCC currently registered to the mobile network.

Step 205: Determine whether the first MCC is consistent with the second MCC that was last registered to the mobile network.

The mobile phone determines whether the first MCC is consistent with the second MCC that was last registered to the mobile network, and determines that the first MCC is consistent with the second MCC that was last registered to the mobile network, and performs step 206; determining that the first MCC is registered with the previous one. When the second MCC of the mobile network is inconsistent, steps 207-208 are performed.

If the mobile phone does not have the second MCC registered to the mobile network last time, the default MCC of the mobile phone may be set to the second MCC.

Step 206: Maintain the current Wi-Fi working channel.

The phone maintains the current Wi-Fi working channel without switching.

Step 207: Determine, according to a relationship between the first MCC and a Wi-Fi working channel corresponding to each MCC, a Wi-Fi working channel corresponding to the first MCC.

The mobile phone determines, according to the relationship between the first MCC and the Wi-Fi working channel corresponding to each MCC, the Wi-Fi working channel corresponding to the first MCC requirement corresponding to the first MCC.

Step 208: Switch the current Wi-Fi working channel to the Wi-Fi corresponding to the first MCC. Working channel.

The mobile phone switches the current Wi-Fi working channel to the Wi-Fi working channel corresponding to the first MCC, and implements switching of the Wi-Fi working channel.

For example, the user purchases a mobile phone in China and inserts the SIM card of the Chinese A network operator, and the mobile phone registers with the network of the A network operator; FIG. 3 is the acquisition of the second embodiment of the Wi-Fi working channel switching method of the present invention. Schematic diagram of the interactive signaling, as shown in FIG. 3, the mobile phone can obtain the MCC of the current network from the interactive signaling in the process of registering the network to be 460; the mobile phone reads the MCC of the last registered network (here assumed to be the first The boot is used, so the MCC will not be used. The default MCC is used because it is a mobile phone sold in China, so the default MCC is 460) and compared with the MCC of the currently registered network. Since the MCC is the same, the mobile phone is the same. It is determined that the current Wi-Fi working channel will not be switched.

After that, the user travels to the United States. After arriving in the United States, the mobile phone still uses the SIM card of the Chinese A network operator, and the MCC in the SIM card is still 460. According to the solution provided by the embodiment of the invention, the mobile phone is registered in the United States after being powered on. In the network of the B network operator, the MCC obtained in the signaling interaction with the network side is 310; after obtaining the MCC currently registered to the network, the mobile phone will obtain the previously acquired MCC of the previously registered network with this time. If the current registered MCC is compared, it can be seen that the MMC is changed from 460 to 310. Since the MCC changes, the mobile phone will query the Wi corresponding to the MCC 310 in the relationship list of the Wi-Fi working channel corresponding to each MCC. -Fi working channel, then the mobile phone switches the Wi-Fi working channel corresponding to the MCC to 460 to the new Wi-Fi working channel corresponding to the MCC 310, and the mobile phone will work according to the switched Wi-Fi working channel.

Here, the relationship list of the Wi-Fi working channel corresponding to each MCC is preset to be exemplified by the relationship list of the 2.4G Wi-Fi working channel corresponding to China and the United States (Table 1). The specific actual situation may be Set according to actual needs, no restrictions here.

Table 1

工作信道Working channel	频率(MHz)Frequency (MHz)	中国(MCC为460)China (MCC is 460)	美国(MCC为310)United States (MCC 310)
11	24122412	是Yes	是Yes
22	24172417	是Yes	是Yes

33	24222422	是Yes	是Yes
44	24272427	是Yes	是Yes
55	24322432	是Yes	是Yes
66	24372437	是Yes	是Yes
77	24422442	是Yes	是Yes
88	24472447	是Yes	是Yes
99	24522452	是Yes	是Yes
1010	24572457	是Yes	是Yes
1111	24622462	是Yes	是Yes
1212	24672467	是Yes	否no
1313	24722472	是Yes	否no
1414	24842484	否no	否no

Finally, through the correspondence of Table 1, the result is that the 2.4G Wi-Fi working channel 1-13 corresponding to the original China is switched to the 2.4G Wi-Fi working channel 1-11 corresponding to the United States; thus, When the mobile phone roams to another country and the user does not change the country's SIM card, the terminal's Wi-Fi working channel can automatically switch to the working channel specified by the country, avoiding violation of the local laws of the country when using Wi-Fi. .

The method for switching the Wi-Fi working channel provided by the embodiment of the present invention determines whether the MCC of the current SIM card is consistent with the MCC stored locally by the mobile phone; if they are consistent, according to the MCC of the SIM card and the Wi corresponding to each MCC preset The relationship between the -Fi working channel determines the Wi-Fi working channel corresponding to the MCC of the SIM card and switches the current Wi-Fi working channel to the Wi-Fi working channel corresponding to the MCC of the SIM card. If not, the acquiring is performed. The first MCC currently registered to the mobile network; determining whether the first MCC is consistent with the second MCC registered to the mobile network last time, and if consistent, maintaining the current Wi-Fi working channel, if not, according to the first MCC and Presetting the relationship of the Wi-Fi working channel corresponding to each MCC to determine a Wi-Fi working channel corresponding to the first MCC; and switching the current Wi-Fi working channel to the Wi-Fi working channel corresponding to the first MCC Implemented when the mobile terminal roamed to another country or region and the user did not change the country When the home SIM card is used, the original SIM card can be used to automatically switch the Wi-Fi working channel of the mobile terminal to the working channel specified by the country by using the signaling interaction of the network operator of the country, so that Wi- is used. Fi can avoid violating local laws in the country.

The embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the method described in the foregoing embodiments.

4 is a schematic structural diagram of an apparatus for switching a Wi-Fi working channel according to the present invention. As shown in FIG. 4, the apparatus 04 for Wi-Fi working channel switching according to the embodiment of the present invention includes: an obtaining module 41, a determining module 42, Switching module 43; wherein

The obtaining module 41 is configured to acquire a first mobile country code MCC currently registered to the mobile network;

The determining module 42 is configured to determine, according to the first MCC and the preset switching rule, the wireless corresponding to the first MCC, when the first MCC is inconsistent with the second MCC that was last registered to the mobile network. Fidelity Wi-Fi working channel;

The switching module 43 is configured to switch the current Wi-Fi working channel to a Wi-Fi working channel corresponding to the first MCC.

Optionally, the device further includes: a determining module 44; wherein

The determining module 44 is configured to determine whether the MCC of the current customer identification module SIM card is consistent with the locally stored MCC;

The obtaining module 41 is configured to acquire the first MCC currently registered to the mobile network when the MCC of the current SIM card is consistent with the locally stored MCC.

Optionally, the determining module 44 is further configured to determine whether the first MCC is consistent with the second MCC that was last registered to the mobile network, where, if there is no second MCC that is last registered to the mobile network, Then the second MCC is the default MCC.

Optionally, the determining module 42 is further configured to: when there are two or more communication systems, determine a communication system according to a preset priority rule;

The obtaining module 41 is further configured to acquire the first MCC currently registered to the mobile network according to the determined communication system.

Optionally, the determining module 42 is configured to preset each according to the first MCC. The relationship of the Wi-Fi working channel corresponding to the MCC determines the Wi-Fi working channel corresponding to the first MCC requirement corresponding to the first MCC.

The device in this embodiment may be used to implement the technical solution of the foregoing method embodiment, and the implementation principle and the technical effect are similar, and details are not described herein again.

In an actual application, the obtaining module 41, the determining module 42, the switching module 43, and the determining module 44 may each be a central processing unit (CPU) and a microprocessor located in the device 04 of the Wi-Fi working channel switching. (Micro Processor Unit, MPU), Digital Signal Processor (DSP) or Field Programmable Gate Array (FPGA).

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

The above is only an alternative embodiment of the present invention and is not intended to limit the scope of the present invention.

Industrial applicability

The above technical solution realizes that when the terminal roams to another country or region, and the user does not replace the SIM card of the country, the Wi-Fi working channel of the terminal can be automatically switched to the working channel specified by the country, so that Wi is used. -Fi can avoid violating local laws in the country.

Claims

A method for wireless Fidelity Wi-Fi working channel switching, the method comprising:

Obtaining the first mobile country code MCC (101) currently registered to the mobile network;

When the first MCC is inconsistent with the second MCC that was last registered to the mobile network, the Wi-Fi working channel corresponding to the first MCC is determined according to the first MCC and the preset switching rule (102);

The current Wi-Fi working channel is switched to the Wi-Fi working channel (103) corresponding to the first MCC.
The method of claim 1 further comprising:

Before the acquiring the first mobile country code MCC (101) currently registered to the mobile network, determining whether the MCC of the current customer identification module SIM card is consistent with the locally stored MCC;

The obtaining the first MCC currently registered to the mobile network includes:

And acquiring, when the MCC of the current SIM card is consistent with the locally stored MCC, the first MCC currently registered to the mobile network.
The method of claim 1 further comprising:

After the acquiring the first mobile country code MCC (101) currently registered to the mobile network, determining whether the first MCC is consistent with the second MCC that was last registered to the mobile network, where the last registration is not performed. To the second MCC of the mobile network, the second MCC is the default MCC.
The method of claim 1, wherein the obtaining the first mobile country code MCC (101) currently registered to the mobile network comprises:

When there are two or more communication systems, a communication system is determined according to a preset priority rule;

Acquiring the first MCC currently registered to the mobile network according to the determined communication system.
The method according to any one of claims 1 to 4, wherein the determining the Wi-Fi working channel (102) corresponding to the first MCC according to the first MCC and the preset switching rule comprises:

Determining, according to the relationship between the first MCC and the Wi-Fi working channel corresponding to each MCC, a Wi-Fi working channel corresponding to the first MCC requirement corresponding to the first MCC.
A device (04) for wireless fidelity Wi-Fi working channel switching, the device (04) comprising:

An obtaining module (41) configured to obtain a first mobile country code MCC currently registered to the mobile network;

a determining module (42), configured to determine, according to the first MCC and a preset switching rule, the wireless corresponding to the first MCC, when the first MCC is inconsistent with the second MCC that was last registered to the mobile network Fidelity Wi-Fi working channel;

The switching module (43) is configured to switch the current Wi-Fi working channel to a Wi-Fi working channel corresponding to the first MCC.
The device (04) according to claim 6, the device (04) further comprising:

The determining module (44) is configured to determine whether the MCC of the current customer identification module SIM card is consistent with the locally stored MCC;

The obtaining module (41) is configured to acquire the first MCC currently registered to the mobile network when the MCC of the current SIM card is consistent with the locally stored MCC.
The device of claim 6

The determining module (44) is further configured to determine whether the first MCC is consistent with the second MCC that was last registered to the mobile network, where the second MCC that was last registered to the mobile network is not used. The second MCC is the default MCC.
The device of claim 6

The determining module (42) is further configured to: when there are two or more communication systems, determine a communication system according to a preset priority rule;

The obtaining module (41) is further configured to acquire the first MCC currently registered to the mobile network according to the determined communication system.
A device according to any one of claims 6 to 9, wherein

The determining module is configured to correspond to each MCC according to the first MCC. The relationship of the Wi-Fi working channel determines the Wi-Fi working channel corresponding to the first MCC requirement corresponding to the first MCC.
A computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the method of any one of claims 1 to 5.