CN105120100A - Mobile terminal with theft anti-flashing function, and anti-flashing method of same - Google Patents

Mobile terminal with theft anti-flashing function, and anti-flashing method of same Download PDF

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Publication number
CN105120100A
CN105120100A CN201510555826.9A CN201510555826A CN105120100A CN 105120100 A CN105120100 A CN 105120100A CN 201510555826 A CN201510555826 A CN 201510555826A CN 105120100 A CN105120100 A CN 105120100A
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China
Prior art keywords
mobile terminal
binding
contacts
unit
antitheft notification
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Granted
Application number
CN201510555826.9A
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Chinese (zh)
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CN105120100B (en
Inventor
魏伟
李银鹏
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201510555826.9A priority Critical patent/CN105120100B/en
Publication of CN105120100A publication Critical patent/CN105120100A/en
Application granted granted Critical
Publication of CN105120100B publication Critical patent/CN105120100B/en
Active legal-status Critical Current
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Abstract

The invention discloses a mobile terminal with a theft anti-flashing function and an anti-flashing method of the mobile terminal. According to the invention, a device locking instruction can be sent to the mobile terminal through a bound cell phone of an anti-theft notification contact, so that a physical switch connected in series at the working port of a USB interface circuit is controlled to be turned off by a switch control unit of an anti-theft module of the mobile terminal to malfunction the USB card interface circuit. When the mobile terminal is retrieved by the user, an unlock instruction can be sent by the bound cell phone of the anti-theft notification contact, so that the physical switch is controlled to be turned on by the switch control unit of the anti-theft module to make the USB card interface circuit work normally. The method provided by the invention can prevent lawless persons from unlocking the user's mobile terminal through flashing operation, and prevent the lawless persons from stealing user's private information and carrying out cheating by using the user's mobile terminal, so as to ensure user's property security as well as to lower the value of the mobile terminal kept by the finder or the thief and to enhance the possibility to retrieve the mobile terminal after the mobile terminal is lost or stolen.

Description

A kind of have the mobile terminal of stolen anti-brush machine function and anti-brush machine method thereof
Technical field
The present invention relates to technical field of mobile terminals, more particularly, relate to a kind of to there is the mobile terminal of stolen anti-brush machine function and anti-brush machine method thereof.
Background technology
Along with the development of science and technology, mobile terminal (comprising the plurality of devices such as mobile phone, flat board) role in people's life is also more and more important.But in daily life, mobile terminal is lost or stolen event happens occasionally.After mobile terminal is lost or is stolen, pick up taker or stealer and can unlock this mobile terminal by carrying out the operations such as brush machine to mobile terminal, the owner of lost property is stoped to give loss or stolen mobile terminal for change, What is more, and stealer can be stolen the private information of the owner of lost property and use stolen mobile terminal gain the wealth of the friend owner of lost property by cheating or issue deceptive information etc.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, provide a kind of and there is the mobile terminal of stolen anti-brush machine function and anti-brush machine method thereof.
For achieving the above object, first aspect present invention provides a kind of mobile terminal with stolen anti-brush machine function, and it comprises:
Physical switch, it is connected on the D+ port of the usb circuit of mobile terminal, D-port, USB_ID port or UCHAR port, and wherein, the opening/closing state of described physical switch can not change because of restarting of mobile terminal;
Anti-theft module, it is in the terminal integrated, is electrically connected with described physical switch, and described anti-theft module comprises:
Binding unit, for obtaining the phone number of the antitheft notification of contacts of user's input, and sends bind request to it, and when receiving the binding grant instruction that antitheft notification of contacts is replied, completes the binding of the phone number to antitheft notification of contacts;
Switch control unit, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, controlling described physical switch and disconnecting, and makes usb circuit cannot Signal transmissions; And when receiving the unlock command sended over through the antitheft notification of contacts of described binding unit binding, controlling described physical switch and closing conducting, usb circuit is normally worked.
As preferably, described anti-theft module also comprises:
Whether detecting unit, be modified for the phone number detected through the antitheft notification of contacts of described binding unit binding;
Authentication unit, if detect for described detecting unit, the phone number of the antitheft notification of contacts of binding through described binding unit is modified, then verify owner's information that mobile terminal is preset.
As preferably, described owner's information comprises password, finger print information, voiceprint or the pupil information that owner presets.
As preferably, described anti-theft module also comprises:
Locating information feedback module, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, feeds back to the phone number of this antitheft notification of contacts by positional information current for mobile terminal.
As preferably, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.
Second aspect present invention provides a kind of anti-brush machine method utilizing the mobile terminal described in technique scheme to realize, and comprises the following steps:
To connect in the D+ port of the usb circuit of mobile terminal, D-port, USB_ID port or UCHAR port in advance a physical switch;
Obtained the phone number of the antitheft notification of contacts of user's input by the binding unit of anti-theft module, and send bind request to it;
When receiving the binding grant instruction that antitheft notification of contacts is replied, the binding unit of anti-theft module completes the binding of the phone number to antitheft notification of contacts;
When receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, the switch control unit of anti-theft module controls described physical switch and disconnects, and makes usb circuit cannot Signal transmissions;
When receiving the unlock command sended over through the antitheft notification of contacts of described binding unit binding, the switch control unit of anti-theft module controls described physical switch and closes conducting, and usb circuit is normally worked.
As preferably, the method also comprises:
Whether the phone number detected through the antitheft notification of contacts of described binding unit binding by the detecting unit of anti-theft module is modified;
If the phone number of the antitheft notification of contacts that the detecting unit of anti-theft module detects through described binding unit binding is modified, then owner's information that the authentication unit checking mobile terminal starting anti-theft module is preset.
As preferably, described owner's information comprises password, finger print information, voiceprint or the pupil information that owner presets.
As preferably, the method also comprises:
When receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, positional information current for mobile terminal is fed back to the phone number of this antitheft notification of contacts by locating information feedback module.
As preferably, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.
Compared with prior art, beneficial effect of the present invention is:
The present invention can send lock machine instruction to stolen mobile terminal by the mobile phone of bound antitheft notification of contacts, the switch control unit of the anti-theft module in this mobile terminal is made to control to be connected on the D+ port of usb circuit, D-port, the physical switch of USB_ID port or UCHAR port disconnects, make usb circuit cannot Signal transmissions, taker is picked up in prevention or stealer carries out brush machine to mobile terminal, when mobile terminal return user on hand time, mobile phone then by bound antitheft notification of contacts sends unlock command, make the switch control unit of anti-theft module control physical switch and close conducting, usb circuit is normally worked, the present invention can prevent unprincipled fellow by the mobile terminal of brush machine operation unlock user, prevent its private information stealing user and utilize the mobile terminal of user to carry out illegal fraud, ensure the property safety of user, also can reduce mobile terminal is picking up the value in taker or stealer hand simultaneously, increase the follow-up initiative in negotiation process of owner, increase mobile terminal lose or stolen after the possibility of recovering.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart with the mobile terminal of stolen anti-brush machine function that the embodiment of the present invention one provides;
Fig. 2 is a kind of structured flowchart with the mobile terminal of stolen anti-brush machine function that the embodiment of the present invention two provides;
Fig. 3 is the flow chart of a kind of anti-brush machine method that the embodiment of the present invention three provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Embodiments of the invention one provide a kind of mobile terminal with stolen anti-brush machine function, please refer to Fig. 1, the mobile terminal of the embodiment of the present invention comprises physical switch 1, usb circuit 2 and anti-theft module 3, is described in detail to the present embodiment below in conjunction with accompanying drawing.
Physical switch 1, it is connected on the D+ port (i.e. data positive pole port) of the usb circuit 2 of mobile terminal, D-port (i.e. the extreme mouth of data minus), USB_ID port, UCHAR port or power port place, and be positioned at usb circuit 2 and between the processing module of the work that matches with it (as: processor 4), circulate for the signal circulation of conducting usb circuit 2 or the signal of disconnection usb circuit 2.Wherein, the opening/closing state of described physical switch 1 can not change because of restarting of mobile terminal.
Anti-theft module 3, it is in the terminal integrated, is electrically connected with described physical switch 1.Specifically, described anti-theft module 3 comprises binding unit 31 and switch control unit 32.
Binding unit 31, for obtaining the phone number of the antitheft notification of contacts of user's input, and sends bind request to it, and when receiving the binding grant instruction that antitheft notification of contacts is replied, completes the binding of the phone number to antitheft notification of contacts.
Switch control unit 32, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, control described physical switch 1 to disconnect, make usb circuit 2 cannot Signal transmissions, now mobile terminal cannot carry out the operation of brush machine by USB.
In addition, switch control unit 32 is also for when receiving the unlock command sended over through the antitheft notification of contacts of described binding unit binding, control described physical switch 1 and close conducting, now usb circuit 2 normally works, and mobile terminal can carry out the operation of brush machine by USB.
In the present embodiment, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.Wherein, this mobile terminal only can respond the instruction performing the antitheft notification of contacts through binding unit 31 binding and send over.
The mobile terminal of the embodiment of the present invention can prevent unprincipled fellow by the mobile terminal of brush machine operation unlock user, prevent its private information stealing user and utilize the mobile terminal of user to carry out illegal fraud, ensure the property safety of user, also can reduce mobile terminal is picking up the value in taker or stealer hand simultaneously, increase owner follow-up initiative in negotiation process, increase mobile terminal lose or stolen after the possibility of recovering.
Embodiment two
Embodiments of the invention two provide a kind of mobile terminal with stolen anti-brush machine function, please refer to Fig. 2, the difference of the mobile terminal of the embodiment of the present invention two and the mobile terminal of above-described embodiment one is, the anti-theft module 3 of the mobile terminal of the embodiment of the present invention two also comprises detecting unit 33, authentication unit 34 and locating information feedback module 35, only be described different modules below, identical module does not repeat them here.
Whether detecting unit 33, be modified for the phone number detecting the antitheft notification of contacts of binding through described binding unit 31.
Authentication unit 34, if detect for described detecting unit 33, the phone number of the antitheft notification of contacts of binding through described binding unit 31 is modified, then verify owner's information that mobile terminal is preset.
During concrete enforcement, described owner's information can comprise password, finger print information, voiceprint or the pupil information that owner presets.
Locating information feedback module 35, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit 31 binding, feeds back to the phone number of this antitheft notification of contacts by positional information current for mobile terminal.
The mobile terminal of the embodiment of the present invention can stop further and picks up the contact method that taker or stealer revise antitheft notification of contacts on the basis of above-described embodiment one, the fail safe of effective raising equipment, and the current positional information of mobile terminal can be fed back to antitheft notification of contacts, increase mobile terminal lose or stolen after the possibility of recovering.
Embodiment three
Embodiments of the invention three provide a kind of anti-brush machine method utilizing the mobile terminal described in technique scheme to realize.Fig. 3 is the method flow diagram of the embodiment of the present invention three, please refer to Fig. 3, and the method for the embodiment of the present invention comprises the following steps:
Step S101, in advance one physical switch 1 is set in the D+ port of the usb circuit 2 of mobile terminal, D-port, USB_ID port or UCHAR port;
Step S102, to be obtained the phone number of the antitheft notification of contacts of user's input by the binding unit 31 of anti-theft module 3, and send bind request to it;
Step S103, when receive antitheft notification of contacts reply binding grant instruction time, the binding unit 31 of anti-theft module 3 completes the binding of the phone number to antitheft notification of contacts;
Step S104, when receiving the lock machine instruction that the antitheft notification of contacts of binding through described binding unit 31 sends over, the switch control unit of anti-theft module 3 controls described physical switch and disconnects, and makes usb circuit cannot Signal transmissions;
Step S105, when receiving the unlock command that the antitheft notification of contacts of binding through described binding unit 31 sends over, the switch control unit of anti-theft module 3 controls described physical switch and closes conducting, and usb circuit is normally worked.
In above-mentioned steps, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.Certainly, also can be network or other wireless modes.
To be illustrated said method below.
User is before the stolen anti-brush machine function using this mobile terminal, need to fill in the phone number of user's trustor (i.e. antitheft notification of contacts) the most, simultaneously, bindings has been needed after filling in, also namely the machine sends bind request to binding number by note, then bound mobile phone is after being subject to information, replys binding grant instruction to complete binding.
When user mobile phone is after loss, then bound mobile phone can be passed through, lock machine instruction is sent to the machine, trigger the key instruction in anti-theft module, then force the physical switch of mobile phone to disconnect (mobile phone restart still come into force), allowing usb circuit anergy, when there being people to find mobile phone, also cannot unlock the machine by the operation of brush machine; When mobile phone return user on hand time, then send unlock command by bound mobile phone to the machine, make physical switch close, connect usb circuit.
As preferred embodiment, in another embodiment, this anti-brush machine method is further comprising the steps of:
Whether the phone number being detected the antitheft notification of contacts of binding through described binding unit 31 by the detecting unit of anti-theft module 3 is modified;
If the detecting unit of anti-theft module 3 detects that the phone number of the antitheft notification of contacts of binding through described binding unit 31 is modified, then owner's information that the authentication unit checking mobile terminal starting anti-theft module 3 is preset.
During concrete enforcement, described owner's information can comprise password, finger print information, voiceprint or the pupil information that owner presets.
In addition, this anti-brush machine method can also comprise the following steps:
When receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit 31 binding, positional information current for mobile terminal is fed back to the phone number of this antitheft notification of contacts by locating information feedback module 35.
The method of the embodiment of the present invention can prevent unprincipled fellow by the mobile terminal of brush machine operation unlock user, prevent its private information stealing user and utilize the mobile terminal of user to carry out illegal fraud, ensure the property safety of user, also can reduce mobile terminal is picking up the value in taker or stealer hand simultaneously, increase owner follow-up initiative in negotiation process, increase mobile terminal lose or stolen after the possibility of recovering.
It should be noted that, a kind of mobile terminal with stolen anti-brush machine function that above-described embodiment provides, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by system is divided into different functional modules, to complete all or part of function described above.In addition, this mobile terminal can be mobile phone, panel computer, human-computer interaction terminal or other there is the mobile terminal device of USB interface.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (10)

1. have a mobile terminal for stolen anti-brush machine function, it is characterized in that, this mobile terminal comprises:
Physical switch, it is connected on the D+ port of the usb circuit of mobile terminal, D-port, USB_ID port or UCHAR port, and wherein, the opening/closing state of described physical switch can not change because of restarting of mobile terminal;
Anti-theft module, it is in the terminal integrated, is electrically connected with described physical switch, and described anti-theft module comprises:
Binding unit, for obtaining the phone number of the antitheft notification of contacts of user's input, and sends bind request to it, and when receiving the binding grant instruction that antitheft notification of contacts is replied, completes the binding of the phone number to antitheft notification of contacts;
Switch control unit, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, controlling described physical switch and disconnecting, and makes usb circuit cannot Signal transmissions; And when receiving the unlock command sended over through the antitheft notification of contacts of described binding unit binding, controlling described physical switch and closing conducting, usb circuit is normally worked.
2. the mobile terminal with stolen anti-brush machine function according to claim 1, it is characterized in that, described anti-theft module also comprises:
Whether detecting unit, be modified for the phone number detected through the antitheft notification of contacts of described binding unit binding;
Authentication unit, if detect for described detecting unit, the phone number of the antitheft notification of contacts of binding through described binding unit is modified, then verify owner's information that mobile terminal is preset.
3. the mobile terminal with stolen anti-brush machine function according to claim 2, it is characterized in that, described owner's information comprises password, finger print information, voiceprint or the pupil information that owner presets.
4. the mobile terminal with stolen anti-brush machine function according to claim 1, it is characterized in that, described anti-theft module also comprises:
Locating information feedback module, for when receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, feeds back to the phone number of this antitheft notification of contacts by positional information current for mobile terminal.
5. the mobile terminal with stolen anti-brush machine function according to claim 1, is characterized in that, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.
6. the anti-brush machine method utilizing the mobile terminal described in claim 1 to realize, it is characterized in that, the method comprises the following steps:
To connect in the D+ port of the usb circuit of mobile terminal, D-port, USB_ID port or UCHAR port in advance a physical switch;
Obtained the phone number of the antitheft notification of contacts of user's input by the binding unit of anti-theft module, and send bind request to it;
When receiving the binding grant instruction that antitheft notification of contacts is replied, the binding unit of anti-theft module completes the binding of the phone number to antitheft notification of contacts;
When receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, the switch control unit of anti-theft module controls described physical switch and disconnects, and makes usb circuit cannot Signal transmissions;
When receiving the unlock command sended over through the antitheft notification of contacts of described binding unit binding, the switch control unit of anti-theft module controls described physical switch and closes conducting, and usb circuit is normally worked.
7. anti-brush machine method according to claim 6, it is characterized in that, the method also comprises:
Whether the phone number detected through the antitheft notification of contacts of described binding unit binding by the detecting unit of anti-theft module is modified;
If the phone number of the antitheft notification of contacts that the detecting unit of anti-theft module detects through described binding unit binding is modified, then owner's information that the authentication unit checking mobile terminal starting anti-theft module is preset.
8. anti-brush machine method according to claim 7, it is characterized in that, described owner's information comprises password, finger print information, voiceprint or the pupil information that owner presets.
9. anti-brush machine method according to claim 6, it is characterized in that, the method also comprises:
When receiving the lock machine instruction sended over through the antitheft notification of contacts of described binding unit binding, positional information current for mobile terminal is fed back to the phone number of this antitheft notification of contacts by locating information feedback module.
10. anti-brush machine method according to claim 6, is characterized in that, the transmission carrier of described bind request, binding grant instruction, lock machine instruction and unlock command is note.
CN201510555826.9A 2015-09-01 2015-09-01 It is a kind of that there is the mobile terminal for being stolen anti-brush machine function and its anti-brush machine method Active CN105120100B (en)

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CN105634650A (en) * 2016-01-28 2016-06-01 广东欧珀移动通信有限公司 GSM-based self protection method and device for DSDS terminal
CN105744068A (en) * 2016-03-01 2016-07-06 广东欧珀移动通信有限公司 Self-protection method and device for Telecommunications SV-LTE terminal
CN105763727A (en) * 2016-02-16 2016-07-13 广东欧珀移动通信有限公司 Three-mode DSDS mobile terminal protection method and system
CN105791579A (en) * 2016-03-08 2016-07-20 广东欧珀移动通信有限公司 Self protecting method and self protecting device for all-network-available DSDS terminal
CN105825155A (en) * 2016-03-10 2016-08-03 广东欧珀移动通信有限公司 Self-protection method and device for CA terminal
CN106131819A (en) * 2016-06-27 2016-11-16 成都轻车快马网络科技有限公司 A kind of multistage authentication prevents the method for mobile phone malice brush machine
CN106851623A (en) * 2017-02-14 2017-06-13 北京奇虎科技有限公司 A kind of locking means of mobile terminal, device and mobile terminal
CN107018142A (en) * 2017-04-28 2017-08-04 努比亚技术有限公司 Active defense method and mobile terminal
CN107231355A (en) * 2017-06-01 2017-10-03 珠海市魅族科技有限公司 Anti- method, terminal, server, device and the storage medium for cracking binding service
CN107729171A (en) * 2017-10-30 2018-02-23 努比亚技术有限公司 Adaptive Activiation method, device, terminal device and the storage medium of USB interface
CN109699027A (en) * 2017-10-24 2019-04-30 卓望数码技术(深圳)有限公司 A kind of anti-brush machine method and system of intelligent terminal of multiple-factor control
CN113452843A (en) * 2021-06-25 2021-09-28 浙江百应科技有限公司 Mobile phone locking method, server and electronic equipment

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CN105634650A (en) * 2016-01-28 2016-06-01 广东欧珀移动通信有限公司 GSM-based self protection method and device for DSDS terminal
CN105763727A (en) * 2016-02-16 2016-07-13 广东欧珀移动通信有限公司 Three-mode DSDS mobile terminal protection method and system
CN105763727B (en) * 2016-02-16 2019-03-01 Oppo广东移动通信有限公司 Three mould DSDS mobile terminal guard methods and system
CN105744068A (en) * 2016-03-01 2016-07-06 广东欧珀移动通信有限公司 Self-protection method and device for Telecommunications SV-LTE terminal
CN105791579B (en) * 2016-03-08 2019-02-22 Oppo广东移动通信有限公司 A kind of the whole network leads to the self-protecting method and device of DSDS terminal
CN105791579A (en) * 2016-03-08 2016-07-20 广东欧珀移动通信有限公司 Self protecting method and self protecting device for all-network-available DSDS terminal
CN105825155A (en) * 2016-03-10 2016-08-03 广东欧珀移动通信有限公司 Self-protection method and device for CA terminal
CN105825155B (en) * 2016-03-10 2019-01-29 Oppo广东移动通信有限公司 A kind of self-protecting method and device of CA terminal
CN106131819A (en) * 2016-06-27 2016-11-16 成都轻车快马网络科技有限公司 A kind of multistage authentication prevents the method for mobile phone malice brush machine
CN106851623A (en) * 2017-02-14 2017-06-13 北京奇虎科技有限公司 A kind of locking means of mobile terminal, device and mobile terminal
CN107018142A (en) * 2017-04-28 2017-08-04 努比亚技术有限公司 Active defense method and mobile terminal
CN107231355A (en) * 2017-06-01 2017-10-03 珠海市魅族科技有限公司 Anti- method, terminal, server, device and the storage medium for cracking binding service
CN109699027A (en) * 2017-10-24 2019-04-30 卓望数码技术(深圳)有限公司 A kind of anti-brush machine method and system of intelligent terminal of multiple-factor control
CN109699027B (en) * 2017-10-24 2022-02-15 卓望数码技术(深圳)有限公司 Multi-factor control intelligent terminal anti-flashing method and system
CN107729171A (en) * 2017-10-30 2018-02-23 努比亚技术有限公司 Adaptive Activiation method, device, terminal device and the storage medium of USB interface
CN107729171B (en) * 2017-10-30 2023-06-02 努比亚技术有限公司 Self-adaptive activation method and device of USB interface, terminal equipment and storage medium
CN113452843A (en) * 2021-06-25 2021-09-28 浙江百应科技有限公司 Mobile phone locking method, server and electronic equipment

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