What system is it? Android suggests that you can press and hold the power button+decrease/increase the volume for 20 seconds to enter the robot mode (the tablet enters the recovery mode, and select the first line of the wipe, that is, the wipe. The reset line is to try to restore the factory settings (adjust with the volume up and down keys and confirm with the power-on key), and then select Yes to start the recovery. When finished, select the second line of wipe (the tablet that empties the system cache can be operated for a long time), and then select reboot. Now), or download a brush wizard to refresh the firmware;
Windows can operate through Baidu's corresponding system unlocking tutorial, or press the power-on key five times repeatedly after shutdown, and enter the repair interface to select Troubleshooting-Initialize the computer. Select: Next-Clean the drive thoroughly-Initialize, and then you can clean it. If not, you can contact the seller or after-sales personnel to handle it.
2. What should I do if I forget my password?
Forgot the original password and the initial password, a string of numbers under the bar code on the back of the fuselage can also be input into the extended data:
If you turn on USB mode before locking the screen, it will be much easier. Download a screen wizard directly from the computer, connect the tablet after opening it, and select Clear Lock Screen on the right.
The computer downloads an adb toolkit, decompresses it, puts it in the root directory of the computer's C drive, and connects the tablet. The connection here means that you don't need to turn on USB mode, as long as the flat panel display is charged after connection. After that, open adb and choose to delete the file named *. Key, you can clear the lock screen.
Solution: 1 Press the power-on key and volume+for a long time in the power-off state to enter the recovery state. 2. Select two erasure cleanups in recovery mode.
3, the buttons of different mobile phones are different, just test them yourself. After double wiping, the mobile phone information is thoroughly cleaned up, and the software needs to be reinstalled.
3. What should I do if the reading lang students forget the screen lock password?
step
1, tablet connected to computer, in charging mode.
2. After unzipping adb.zip on the computer, put the adb file in the root directory of the computer C drive.
3. click computer start > run > enter cmd> and then enter cmd.
4. enter cd c:\adb.
5. Re-enter the ADB shell.
6. Then enter the cd data/system.
7. Enter ls to view the files in the data/system.
After entering ls, there are a series of system files, including flat screen lock files, which can be found and deleted.
8. Two unlocking methods
Unlocking method of password lock:
You can see that there is a password.key file, which is the password file. We just need to delete it!
Enter the rm password to delete.
Pattern unlocking method:
You can see that there is a gesture. key file, which is the password file. We just need to delete this file.
Enter the rm gesture. key to delete.
9. Enter reboot or manually restart graphics tablet to take effect. (Actually, you don't need to restart. As long as it is unlocked, the password will slide correctly. Better restart it. )