CN103020553A - Anti-theft protection method for mobile terminal - Google Patents
Anti-theft protection method for mobile terminal Download PDFInfo
- Publication number
- CN103020553A CN103020553A CN2012105332413A CN201210533241A CN103020553A CN 103020553 A CN103020553 A CN 103020553A CN 2012105332413 A CN2012105332413 A CN 2012105332413A CN 201210533241 A CN201210533241 A CN 201210533241A CN 103020553 A CN103020553 A CN 103020553A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- monitoring
- screen
- button
- portable terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Telephone Function (AREA)
- Alarm Systems (AREA)
Abstract
The invention is applicable to the technical field of mobile terminals and provides an anti-theft protection method and device for a mobile terminal. The method comprises the following steps of: executing a startup operation after a startup triggering instruction is received; and during startup, monitoring and judging whether a screen preset position and/or a preset key of the mobile terminal are/is triggered or not, unlocking the mobile terminal when the condition that the screen preset position and/or the preset key of the mobile terminal are/is triggered is judged, and locking the mobile terminal or directly shutting down if the screen preset position and/or the preset key of the mobile terminal are/is not triggered. According to the method and the device, a system is not accessed yet when the mobile terminal is locked, so that a touch screen and keys of the mobile terminal do not respond to any operation; and an unlocking operation for users is verified from a drive level, and illegal users who do not know the unlocking operation cannot enter a background of the system and search and kill processes, so that the mobile terminal can be effectively protected from being cracked, and then, a good anti-theft protection effect is reached.
Description
Technical field
The invention belongs to field of mobile terminals, relate in particular to a kind of guarding against theft for mobile terminal guard method.
Background technology
Comprise at present mobile phone; the anti-theft protection of the portable terminals such as palm PC much all is to realize by application software after start; such as the unlocking screen password can be set; and for example can use some antitheft softwares that SIM card is followed the trail of; can navigate in real time the current present position of portable terminal; but these all anti-theft protection schemes all are behind mobile terminal-opening; launch to realize by application software; therefore this leaves software will for illegal person and crack leak; behind the mobile terminal-opening; to close about the process at anti-theft protection place and get final product; such as the process with screen locking; protection application kills; these protections had just been lost efficacy so, did not so just reach the anti-theft protection effect of expection.
Summary of the invention
In view of the above problems; the object of the present invention is to provide a kind of guarding against theft for mobile terminal guard method and device; being intended to solve existing guarding against theft for mobile terminal protection scheme all is to come anti-theft protection by executive utility after the start eventually mobile, causes the technical matters of protecting security not high enough.
On the one hand, described guarding against theft for mobile terminal guard method comprises the steps:
After receiving the start triggering command, carry out the start operation;
Monitoring and judge whether the default place of screen and/or the programmable button of portable terminal are triggered in start process, when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
On the other hand, described guarding against theft for mobile terminal protective device comprises:
The start performance element is used for carrying out the start operation after receiving the start triggering command;
Performance element is judged in monitoring, is used in the start process monitoring and judges whether the default place of screen and/or the programmable button of portable terminal are triggered, and when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
The invention has the beneficial effects as follows: in technical solution of the present invention; the user triggers screen and/or button by preset requirement in start process; otherwise can't release start shooting; touch and to press screen and button all without any reaction; and other users are not owing to know that the unlocking operation mode of presetting triggers screen and/or button; because this moment, system did not start fully; the third party can't enter system's backstage killing process; the present invention protects portable terminal on the driving aspect, reaches good anti-theft protection effect.
Description of drawings
Fig. 1 is the process flow diagram of the guarding against theft for mobile terminal guard method that provides of first embodiment of the invention;
Fig. 2 is the process flow diagram of the guarding against theft for mobile terminal guard method that provides of second embodiment of the invention;
Fig. 3 is the block diagram of the guarding against theft for mobile terminal protective device that provides of third embodiment of the invention;
Fig. 4 is the block diagram of the guarding against theft for mobile terminal protective device that provides of fourth embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
Fig. 1 shows the flow process of the guarding against theft for mobile terminal guard method that first embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
The guarding against theft for mobile terminal guard method that present embodiment provides comprises the steps:
Step S101, after receiving the start triggering command, carry out the start operation.
The embodiment of the invention is judged checking so long as finish in start process the operational motion to the user, when meeting the requirements, the ability unlocking mobile terminal, normally enter mobile terminal operation interface, therefore the user at first need to open portable terminal under off-mode, behind the power switch on user's triggering mobile terminals, generate the start trigger command, begin to enter the start flow process this moment.
Step S102, monitoring and judge whether the default place of screen and/or the programmable button of portable terminal are triggered in start process, when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
Preserve release information corresponding to unlocking operation action that the user arranges in the portable terminal; can arrange and in start process, could release enter system in four angles of touch screen such as the user; perhaps also can arrange needs triggering volume increasing-and-decreasing key release to enter system; four angles of described screen are the default place of screen; described volume increasing-and-decreasing key is programmable button; present embodiment does not specifically limit the unlocking operation action that the user arranges; as long as the user moves according to predefined unlocking operation in start process; triggering the default place of screen and/or programmable button gets final product; when detecting the default place of described screen and/or programmable button and be triggered; just can finish release and normally carry out operating system; otherwise locking portable terminal; also do not enter system this moment; therefore touch-screen and the button of portable terminal do not respond any operation; because also for entering system; unlocking operation to the user on the driving aspect is verified; the disabled user who does not know this unlocking operation can't enter system's backstage killing process; therefore present embodiment can protect portable terminal not to be cracked effectively, reaches good anti-theft protection effect.
Embodiment two:
Fig. 2 shows the flow process of the guarding against theft for mobile terminal guard method that the embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
The guarding against theft for mobile terminal guard method that present embodiment provides comprises the steps:
Step S201, reception are also preserved the start release information that the user arranges;
Step S202, reception are also preserved the monitoring period segment information that the user arranges.
In the present embodiment, the user can arrange start release information and monitoring period information voluntarily, only in described storage and monitoring time segment, finish default unlocking operation and just can finish release, normally enter system, within 10 seconds that can be set to start shooting after powering on.Described start release information, that the user is when mobile status is in open state, the unlocking operation that arranges voluntarily moves corresponding data message, during specific implementation, the user can enter release information recording interface, after click is recorded, make own required release action at portable terminal again, such as four angles of touch screen, perhaps volume increase and decrease etc. is perhaps double-clicked in the horizontal curtain top that swipes, in the process of recording, portable terminal can be preserved the operation trace information that produces during this, and described operation trace information is exactly the described release information of straightening one out and easing out his anxiety, and the user only finishes the action of before having recorded in default storage and monitoring time segment just can finish the start release.
Step S203, whether monitoring mobile terminal screen and/or button is triggered in the default storage and monitoring time segment of start process;
Step S204, when receiving the trigger message of screen and/or button, judge that whether this trigger message satisfies default start release requirement;
Step S205, when satisfying described default start release and require, unlocking mobile terminal normally enters the operation interface of portable terminal;
Step S206, when not satisfying described default start release and require, and when in start process, not receiving the trigger message of screen and/or button, locking portable terminal or directly shut down.
Above-mentioned steps S203-S206 has finished the proof procedure of user's unlocking operation action, concrete, behind the power switch of triggering mobile terminals, at first get access to the monitoring period segment information of described setting, comprise zero-time and concluding time, start a timer this moment, when arriving described zero-time, begin to monitor screen and/or the button of portable terminal, until the described concluding time, be after powering on 10 seconds of start such as the monitoring period segment information that arranges, start a timer this moment, and timer described here is timer, from start until monitor screen and/or the button of portable terminal in the time period that this timer finishes.
In described storage and monitoring time segment, monitor mobile terminal screen and/or button is triggered, when namely receiving the trigger message of screen and/or button, continue to judge whether this trigger message satisfies default start release requirement, concrete, this trigger message compared with default start release information get final product, unlocking mobile terminal when consistent, normally enter the operation interface of portable terminal, no person locks portable terminal or directly shutdown, when the locking portable terminal, the user can't carry out any operation to portable terminal, unless powered-down.If certainly in described storage and monitoring time segment, do not monitor mobile terminal screen and/or button is triggered, when namely not receiving the trigger message of screen and/or button, equally also be locking portable terminal or directly shutdown.
Present embodiment is on the basis of embodiment one; realized that further the user can arrange start release information and monitoring period segment information voluntarily; further like this reduced the disabled user finishes release by random unlocking operation portable terminal possibility; since in the start process without any the release information; the disabled user not can be appreciated that and need to carry out unlocking operation in start process; even portable terminal is stolen; except the user; portable terminal there is no the possibility that is unlocked start, has reached the purpose of guarding against theft for mobile terminal protection.
Embodiment three:
Fig. 3 shows the structure of the guarding against theft for mobile terminal protective device that the embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
The guarding against theft for mobile terminal protective device that present embodiment provides comprises:
Start performance element 301 is used for carrying out the start operation after receiving the start triggering command;
Performance element 302 is judged in monitoring, is used in the start process monitoring and judges whether the default place of screen and/or the programmable button of portable terminal are triggered, and when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
Each functional unit 301,302 correspondences that present embodiment provides have realized step S101, the S102 among the embodiment one, concrete, start performance element 301 start performance element 301 after receiving the start triggering command is carried out the start operation, monitoring is judged performance element 302 monitoring and is judged whether the default place of screen and/or the programmable button of portable terminal are triggered in start process, when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shutdown.In the present embodiment; the disabled user is not owing to know the unlocking operation action; also do not enter system this moment; therefore touch-screen and the button of portable terminal do not respond any operation; because also for entering system, the unlocking operation to the user on the driving aspect is verified, does not know that the third party user of this unlocking operation can't enter system's backstage killing process; therefore present embodiment can protect portable terminal not to be cracked effectively, reaches good anti-theft protection effect.
Embodiment four:
Fig. 4 shows the structure of the guarding against theft for mobile terminal protective device that the embodiment of the invention provides, and only shows for convenience of explanation the part relevant with the embodiment of the invention.
The guarding against theft for mobile terminal protective device that present embodiment provides comprises:
Release information storage unit 41 is used for receiving and preserving the start release information that the user arranges;
Time period information storage unit 42 is used for receiving and preserving the monitoring period segment information that the user arranges;
Start performance element 43 is used for carrying out the start operation after receiving the start triggering command;
Wherein, described monitoring judges that performance element 44 comprises:
Each functional unit that present embodiment provides and functional module correspondence have realized each step among the embodiment two; on the other hand; originally be implemented on the basis of embodiment three; release information storage unit 41 and time period information storage unit 42 have been increased; by these two unit; the user can arrange start release information and monitoring period segment information voluntarily; further like this reduced the disabled user finishes release by random unlocking operation portable terminal possibility; present embodiment discloses a kind of concrete preferred structure of monitoring judgement performance element 44 in addition; the unlocking operation action that can realize the user is made is judged; determine whether release; present embodiment unlocking operation to the user on the driving aspect is verified; the third party user who does not know this unlocking operation can't enter system's backstage killing process; therefore present embodiment can protect portable terminal not to be cracked effectively, reaches good anti-theft protection effect.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in a computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a guarding against theft for mobile terminal guard method is characterized in that, described method comprises:
After receiving the start triggering command, carry out the start operation;
Monitoring and judge whether the default place of screen and/or the programmable button of portable terminal are triggered in start process, when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
2. method as claimed in claim 1 is characterized in that, described monitoring and judge that the screen of portable terminal is default and locate and/or whether programmable button is triggered in start process, when judgement is, unlocking mobile terminal, otherwise locking portable terminal or direct shutdown procedures specifically comprise:
Whether monitoring mobile terminal screen and/or button are triggered in start process;
When receiving the trigger message of screen and/or button, judge whether this trigger message satisfies default start release requirement;
When satisfying described default start release and require, unlocking mobile terminal normally enters the operation interface of portable terminal;
When not satisfying described default start release and require, and when in start process, not receiving the trigger message of screen and/or button, locking portable terminal or directly shut down.
3. method as claimed in claim 2, it is characterized in that, described in start process monitoring mobile terminal screen and/or button whether be triggered in the step, only in start process in the default storage and monitoring time segment monitoring mobile terminal screen and/or button whether be triggered.
4. method as claimed in claim 3 is characterized in that, and is described after receiving the start triggering command, carries out before the start operation steps, also comprises:
Receive and preserve the start release information that the user arranges.
5. method as claimed in claim 4 is characterized in that, described reception is also preserved after the start release information step that the user arranges, and also comprises:
Receive and preserve the monitoring period segment information that the user arranges.
6. a guarding against theft for mobile terminal protective device is characterized in that, described device comprises:
The start performance element is used for carrying out the start operation after receiving the start triggering command;
Performance element is judged in monitoring, is used in the start process monitoring and judges whether the default place of screen and/or the programmable button of portable terminal are triggered, and when judgement is, unlocking mobile terminal, otherwise locking portable terminal or directly shut down.
7. install as claimed in claim 6, it is characterized in that, described monitoring judges that performance element comprises:
Whether monitoring module is used for being triggered at start process monitoring mobile terminal screen and/or button;
Judge module is used for when receiving the trigger message of screen and/or button, judges whether this trigger message satisfies default start release requirement;
Separate lock module, be used for when satisfying described default start release and require, unlocking mobile terminal normally enters the operation interface of portable terminal;
Locking module is used for when not satisfying described default start release and require, and when not receiving the trigger message of screen and/or button in start process, locking portable terminal or directly shut down.
8. install as claimed in claim 7, it is characterized in that, described monitoring module is used for monitoring mobile terminal screen in the default storage and monitoring time segment of start process and/or whether button is triggered.
9. install as claimed in claim 8, it is characterized in that described device also comprises:
Release information storage unit is used for receiving and preserving the start release information that the user arranges.
10. install as claimed in claim 9, it is characterized in that described device also comprises:
Time period information storage unit is used for receiving and preserving the monitoring period segment information that the user arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533241.3A CN103020553B (en) | 2012-12-11 | 2012-12-11 | A kind of guarding against theft for mobile terminal guard method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533241.3A CN103020553B (en) | 2012-12-11 | 2012-12-11 | A kind of guarding against theft for mobile terminal guard method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103020553A true CN103020553A (en) | 2013-04-03 |
| CN103020553B CN103020553B (en) | 2016-09-28 |
Family
ID=47969147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210533241.3A Active CN103020553B (en) | 2012-12-11 | 2012-12-11 | A kind of guarding against theft for mobile terminal guard method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103020553B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997555A (en) * | 2014-06-11 | 2014-08-20 | 中科创达软件股份有限公司 | Anti-theft method and device of mobile phone |
| CN104598783A (en) * | 2014-12-22 | 2015-05-06 | 广东欧珀移动通信有限公司 | Unlocking method and device of intelligent terminal |
| CN104834872A (en) * | 2015-06-01 | 2015-08-12 | 上海斐讯数据通信技术有限公司 | Mobile terminal antitheft control system and method |
| CN106295308A (en) * | 2016-08-22 | 2017-01-04 | 维沃移动通信有限公司 | The unlocking method of a kind of application program for mobile terminal and mobile terminal |
| CN107508958A (en) * | 2016-06-14 | 2017-12-22 | 东莞宇龙通信科技有限公司 | A kind of method for authenticating and device |
| CN109842714A (en) * | 2017-11-24 | 2019-06-04 | 奇酷互联网络科技（深圳）有限公司 | Anti-theft processing method, device and mobile terminal |
| CN110598384A (en) * | 2019-09-16 | 2019-12-20 | Oppo（重庆）智能科技有限公司 | Information protection method, information protection device and mobile terminal |
| CN112506452A (en) * | 2020-12-02 | 2021-03-16 | 珠海奔图电子有限公司 | Control method of control panel for image forming apparatus, and image forming apparatus |
| CN112887487A (en) * | 2021-02-04 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
| CN113542498A (en) * | 2021-06-07 | 2021-10-22 | 中国联合网络通信集团有限公司 | Terminal unlocking method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198119A (en) * | 2006-12-09 | 2008-06-11 | 北京三星通信技术研究有限公司 | Automatic loss reporting method and portable terminal using the same |
| CN101409944A (en) * | 2007-10-08 | 2009-04-15 | 中兴通讯股份有限公司 | Method and apparatus for encrypting keyboard |
| CN101494539A (en) * | 2008-01-25 | 2009-07-29 | 华晶科技股份有限公司 | Method for controlling use right of data processing device |
-
2012
- 2012-12-11 CN CN201210533241.3A patent/CN103020553B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198119A (en) * | 2006-12-09 | 2008-06-11 | 北京三星通信技术研究有限公司 | Automatic loss reporting method and portable terminal using the same |
| CN101409944A (en) * | 2007-10-08 | 2009-04-15 | 中兴通讯股份有限公司 | Method and apparatus for encrypting keyboard |
| CN101494539A (en) * | 2008-01-25 | 2009-07-29 | 华晶科技股份有限公司 | Method for controlling use right of data processing device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997555A (en) * | 2014-06-11 | 2014-08-20 | 中科创达软件股份有限公司 | Anti-theft method and device of mobile phone |
| CN104598783A (en) * | 2014-12-22 | 2015-05-06 | 广东欧珀移动通信有限公司 | Unlocking method and device of intelligent terminal |
| CN104834872A (en) * | 2015-06-01 | 2015-08-12 | 上海斐讯数据通信技术有限公司 | Mobile terminal antitheft control system and method |
| CN107508958B (en) * | 2016-06-14 | 2020-01-10 | 东莞宇龙通信科技有限公司 | Authentication method and device |
| CN107508958A (en) * | 2016-06-14 | 2017-12-22 | 东莞宇龙通信科技有限公司 | A kind of method for authenticating and device |
| CN106295308A (en) * | 2016-08-22 | 2017-01-04 | 维沃移动通信有限公司 | The unlocking method of a kind of application program for mobile terminal and mobile terminal |
| CN106295308B (en) * | 2016-08-22 | 2019-01-04 | 维沃移动通信有限公司 | A kind of unlocking method and mobile terminal of application program for mobile terminal |
| CN109842714A (en) * | 2017-11-24 | 2019-06-04 | 奇酷互联网络科技（深圳）有限公司 | Anti-theft processing method, device and mobile terminal |
| CN109842714B (en) * | 2017-11-24 | 2021-06-15 | 奇酷互联网络科技（深圳）有限公司 | Anti-theft processing method and device and mobile terminal |
| CN110598384A (en) * | 2019-09-16 | 2019-12-20 | Oppo（重庆）智能科技有限公司 | Information protection method, information protection device and mobile terminal |
| CN112506452A (en) * | 2020-12-02 | 2021-03-16 | 珠海奔图电子有限公司 | Control method of control panel for image forming apparatus, and image forming apparatus |
| CN112887487A (en) * | 2021-02-04 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
| CN112887487B (en) * | 2021-02-04 | 2021-11-02 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
| CN113542498A (en) * | 2021-06-07 | 2021-10-22 | 中国联合网络通信集团有限公司 | Terminal unlocking method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103020553B (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103020553A (en) | Anti-theft protection method for mobile terminal | |
| US9792446B2 (en) | System and method for protecting data stored on a removable data storage device | |
| US9507918B2 (en) | Always-available embedded theft reaction subsystem | |
| US9454678B2 (en) | Always-available embedded theft reaction subsystem | |
| US9552500B2 (en) | Always-available embedded theft reaction subsystem | |
| US20130275770A1 (en) | Always-available embedded theft reaction subsystem | |
| US8601597B2 (en) | System and method for protecting data stored on a removable data storage device | |
| US20140013455A1 (en) | Always-available embedded theft reaction subsystem | |
| TWI464617B (en) | Always-available embedded theft reaction subsystem | |
| EP2795515A1 (en) | Always-available embedded theft reaction subsystem | |
| EP2795506A1 (en) | Always-available embedded theft reaction subsystem | |
| TW201346639A (en) | Always-available embedded theft reaction subsystem | |
| WO2013095583A1 (en) | Always-available embedded theft reaction subsystem | |
| WO2013095585A1 (en) | Always-available embedded theft reaction subsystem | |
| WO2013095586A1 (en) | Always-available embedded theft reaction subsystem | |
| CN102722663A (en) | Handheld smart device data security protection method | |
| CN107424274A (en) | The method, apparatus and intelligent door lock that a kind of intelligent door lock is unlocked | |
| CN105844181A (en) | Key instruction processing method and terminal | |
| CN104537311A (en) | Terminal system control method and device, and terminal | |
| CN201600704U (en) | Hard disk remote destruction anti-theft system | |
| CN109525980A (en) | Realize the anti-lost method and system of mobile phone, anti-loss mobile phone | |
| CN107045598A (en) | Anti-theft method and device for mobile equipment | |
| CN104361300A (en) | Theft monitoring method for mobile hard disk | |
| CN118862196A (en) | Anti-theft network security detection terminal and anti-theft system | |
| WO2009133554A2 (en) | A system, device and method for deleting data from a remote electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523841 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |