Lenovo Mobile phone lock screen password forget how to do Android phone password forgotten solution

　　Remove Android Phone lock screen password or nine Sudoku Lock screen password method There are two main types, which are as follows:

　　Method One: Enter the cell phone recovery mode, clear the data to restore the factory setting. This method will be the mobile phone back to the factory state, mobile phone personal data, data, contacts, applications will be lost, if the SD card has important information also please remove the SD card before the operation of the phone.

1. In the state of the shutdown at the same time long press the Phone power button, Volume +, volume-these three keys;

2. Release the key after the screen is lit, wait for the image below, if not, repeat the steps;

3. Use Volume + and volume-key to adjust the light bar to "wipe data/factory reset" that is, "Clear Data Recovery factory settings", press the Power key to confirm;

4. Use Volume + and volume-key to adjust the light bar to "yes,delete all user Data", press the Power key to confirm;

5. Wait for some time to appear screen, select "Reboot system Now" Restart the phone, press the Power key to confirm;

6. Wait for the phone to reboot into the system, no longer appear input password directly into the system, try it quickly!

　　Method Two: The use of the third party mobile phone management software to clear the password function. The premise is that the phone is already root and the USB debug mode is turned on. This method does not guarantee that 100% is valid, only as a method of trying after forgetting a password.

For example: The Erase password function in the utility in the Brush Machine Wizard.