Screen pattern lock function is to prevent the phone without your permission other people can not see your mobile phone data and privacy, we take a look at it.
1. Under the Standby page, click "Application".
. Click "Set".
3. Slide the screen up and click "Lock Screen".
4. Click on "Screen lock" and choose "pattern".
5. Select "Continue" after drawing the pattern at least four points with finger strokes.
6. After drawing the pattern again, select "Confirm".
7. Enter the backup pin and click "Continue". (If you forget the pattern you set, you can enter a backup pin to unlock it.) ）
8. Enter the backup pin again and click OK.
9. When the screen is locked, draw the pattern you have set to enter the main interface.
Screen pattern Lock Set We have a pin this is very important to prevent the phone screen pattern lock forgot to use PIN to retrieve, if forgotten, we can refer to the following methods to find
Introduction
of the first method . Turn the phone on, and if your phone turns on USB debugging mode and can connect to your computer, use a data cable that connects your phone to your computer, as shown in the picture.
2
Open 360 mobile phone assistant or 91 mobile phone helper software, such as the 360 for example. In the normal circumstances such as mobile phone drive, to ensure that the mobile phone assistant can connect with the mobile phone, as shown, the mobile phone has been connected with the mobile phone through USB.
3
Click "Backup Restore" in the bottom left corner of the 360 phone helper interface, in the form that appears, select the path of the backup, and then check the contact, SMS, application, and if your phone has root privileges, you can check "Backup application data at the same time" and click the "Start Backup" button to start backing up your mobile data.
4
Back up the phone data, the hands of the machine. After the cell phone shutdown, while the long press the phone power-on key and volume reduction key began to enter the project mode (recovery mode). Different mobile phones Enter the engineering mode of the same button, depending on the phone different.
5
When the phone goes into engineering mode, by pressing the volume key to select the options, select one of the last two "wipe data ...", and then press the Power-on key (that is, OK key) to perform a clear operation of the phone data, complete, follow the same method to perform another "wipe cache ...".
6
As shown in the picture, the mobile phone has successfully completed the operation of the data, that is, restore factory settings. Then select power off to perform the shutdown operation, and then power the computer back on. This completes the handset unlock operation, but the data inside the handset includes the software all to be removed. At this point, the cell phone root, and then connected with the computer, using 360 of mobile phone assistant to restore the previous backup to the phone can be.
7
Introduce the
second method . Back up Mobile information in the same way as in the first method, including SMS, contacts, software, etc. After the backup, still stay in the 360 Mobile Phone helper interface, click on the bottom left corner "file management."
8
After opening, navigate to the/data/system/folder in the System Files node, locate the file Access_control.key in this folder (the lock screen file), right-click it, and then select the delete operation. If your phone is already root will be easily deleted, you can also use the RE File Manager PC version to try to delete this file.
