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Lenovo forgot the screen lock password. What if u *** can't open it?
1. Lenovo mobile phone draws a pattern and forgets the password. What should I do if the USB data connection cannot be opened?

Enter recovery mode, double clear

How to enter recovery mode:

Method 1: When the mobile phone is turned on, please turn it off first, take out the battery and then install it. In the case of shutdown, press and hold the power key +Home key at the same time until the recovery interface appears.

Method 2: If none of the above methods can be accessed, then turn it on again, first press and hold the Volume+key, and then press and hold the power-on key for a long time until the recovery interface appears.

Resume mode (power key confirmed, volume moved up and down), the steps are as follows:

1. Shut down completely (it is best to dig the battery after shutting down), and then enter the recovery interface through special key combinations.

2. Select Erase Data/Restore Factory Settings and press the power button to confirm, then press OK and select Yes; Then select Erase Cache Partition and press OK, then select Yes and OK.

2. I forgot my phone lock password. What should I do if the USB device can't be opened?

Samsung mobile phone lock screen password has been forgotten. I suggest you refer to the following contents: 1. If the pattern/signature unlocking mode is set, it can be unlocked by using the PIN code set when drawing the unlocking pattern/signature.

Operation: 1). Enter the incorrect unlock pattern five times, and the prompt message "Please try again in 30 seconds" will be displayed on the screen. Click OK. Click "Backup PIN" in the lower right corner of the screen, enter the previously set PIN password, and click OK.

2). If it is a signature unlocking method, after entering the wrong signature for five times, a prompt for entering the PIN code will appear on the screen. Enter the previously set PIN, and then click OK. Tip: The PIN code prompted when unlocking is the backup password set when you set the pattern lock.

If it doesn't work, you forget to back up your PIN code or you don't meet the above requirements, please send the machine to Samsung Service Center, and the after-sales engineer will help you unlock it safely.

3. I forgot my phone lock password. What should I do if the USB device can't be opened?

Samsung mobile phone lock screen password forgotten, I suggest you refer to the following:

1. If the pattern/signature unlocking mode is set, you can use the PIN code set when drawing the unlocking pattern/signature to unlock it. Operation:

1). Enter the incorrect unlocking pattern five times, and the prompt message "Please try again in 30 seconds" will be displayed on the screen, and click "OK". Click "Backup PIN" in the lower right corner of the screen, enter the previously set PIN password, and click OK.

2). If it is a signature unlocking method, after entering the wrong signature for five times, a prompt for entering the PIN code will appear on the screen. Enter the previously set PIN, and then click OK.

Tip: The PIN code prompted when unlocking is the backup password set when you set the pattern lock.

If it doesn't work, you forget to back up your PIN code or you don't meet the above requirements, please send the machine to Samsung Service Center, and the after-sales engineer will help you unlock it safely.

4. The phone lock screen password is forgotten, and the USB can't be debugged.

If there is no way to start USB debugging, use computer tools to crack it, which can be achieved by entering recovery mode for double cleaning.

1. When the phone is turned off, press the power button and the volume+button (or volume-) of the phone.

2. Release the button after the screen lights up, and wait to enter the recovery mode.

3. Use the volume+ and volume- keys to adjust the light bar to "Erase data/restore factory settings", that is, "Erase data and restore factory settings", and press the power button to confirm.

4. Use the volume+and volume-keys to adjust the light bar to "Yes, delete all user data", and then press the power button to confirm.

5. Wait for a while until the screen appears, select "Restart the system now" to restart the phone, and press the power button to confirm.

6. Wait for the phone to restart and enter the system.