If the' ‘u * * * debugging' function of the mobile phone is turned on, please install the screen-brushing wizard on the computer, connect the mobile phone to the computer after running, and click' Clear the screen-locking password' on the screen-brushing wizard interface to delete the screen-locking data. After deletion, it can be restored to normal by simple operation. This operation will not delete any data on the phone except the screen lock password. Great!

If the u *** debugging function of the mobile phone is not turned on, the above operation is unsuccessful. Please turn off the mobile phone, press and hold the power button and the volume+button at the same time until the screen of the mobile phone lights up, then let go, and then use the volume button to select Erase Data/Factory. After the power button is confirmed, the phone will be restored to the factory settings. This operation will delete all personal data on the phone and cannot be recovered. Please choose carefully.

2. What if I forget my mobile phone password?

Method 1: Necessary conditions for unlocking adb: USB debugging mode is turned on 1, the mobile phone is connected to the computer, the adb driver is installed (the mobile phone driver can be installed through the driver wizard), and the ADB toolkit is decompressed to the driver C.2. Open cmd and enter cd c:\adb (open the directory where ADB is located) 3. Enter adb shell4 and continue to input cd data \ System5. Enter ls to view files in data\system. If a password is set, there will be gesture.key or password.key6 If a pattern password is set, please continue to enter the command: rmgesture.key If a simple password is set, please enter the command: rmpassword.key7 Enter the restart command or manually restart the phone to take effect, or swipe to unlock it now. Any password can be unlocked. It is recommended to restart.

Method 2: Necessary conditions for unlocking google account: set up and log in Google account before locking the machine, know the account password, and the mobile phone can connect to the Internet. 1. Enter the password five times at will, and you will be prompted to enter the error five times. Try again in 30 seconds. 2. At this time, "Forgot password" will be prompted at the bottom of the unlocking interface. Click and enter the previously set Google account and password to unlock it immediately.

Method 3: Clear data to unlock Advantages: There is no limit, suitable for users without important information. 1. Press and hold the volume increase key+power on key at the same time in the shutdown state to enter the recovery state.

2. Select Clear Data-Clear User Data to restart and enter the system. This operation will only delete the user data, and the software will be retained.

I forgot how to unlock the digital lock of my mobile phone.

Vivo phone forgot to lock the screen password and could not be unlocked. You can enter the screen lock password five times in a row in the password input interface (if it is a set pattern password, you need at least four dots zd to enter the wrong password five times, and the password entered each time is different), and click "Forgotten Password" on the screen.

Enter the answer to the set secret security question, and the screen will display "Authentication succeeded, please reset the password", so that you can set a new screen lock password, and then unlock the phone screen with the newly set screen lock password. If you forget the answer to the secret security question, you can bring your ID card and purchase invoice to vivo after-sales service center to decrypt the mobile phone.

The address of vivo after-sales service center can be found in vivo official website-service outlets, and you can choose the province or city where you are located.

4. Android phone password forgot how to unlock it and will not be restored.

Forgetting the password and forgetting the pattern can be removed in this way. No need to brush your mobile phone. As long as you swipe your phone, you have to format it. Everything in your phone is gone.

First, turn off the phone, and at the same time, press and hold the volume button (the end where the volume is turned up), the power button and the middle button at the bottom of the screen. After about 3 seconds, an English interface will appear. Release all buttons to find the data to be erased/factory settings to be restored (meaning: data to be erased and factory settings to be restored), press the volume button to transfer to this line, and then press the middle button at the bottom of the screen to confirm and enter the next English interface. Find Yes-delete all user data (meaning: Yes-delete all user data), press the volume key to this line and press the middle key at the bottom of the screen to confirm, and the data will be deleted. After about 30 seconds, a green Android robot will appear, indicating that the data has been deleted. Click on the robot, the system will restart immediately, and the password will be unlocked.

5. I forgot how to unlock the digital password of Android phone.

I forgot my phone lock screen password. 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.

6. The mobile phone password has been changed and I forgot how to unlock it. It is urgent.

If you forget the screen lock password, you can't unlock the screen, so you can only restore the factory settings and erase the data. Please try the following methods: Restore the way the mobile phone continues to be used: Please clear the screen lock password.

When the mobile phone is turned off, press and hold the volume increase button and the power button at the same time when the USB cable is not plugged in, release the power button when the boot screen appears, and release the volume increase button after 3 seconds to enter the recovery mode. After entering, select Restore Factory Settings and restart.

Note: After the factory settings are restored, the data in the mobile phone will be deleted. Please confirm whether "Find My Mobile Phone" is turned on: 1) If "Find My Mobile Phone" is not turned on, it will directly enter the system after the factory settings are restored.

2) If searching my mobile phone is turned on, you need to verify Huawei account and password to activate the mobile phone after returning to the factory. The operation is as follows: A: Huawei account password is available. Please follow the prompts to enter the correct Huawei account number and password (in case of WLAN connection), and follow the on-screen prompts to activate and enter your mobile phone.

B: I have a Huawei account, but I forgot my password. You can log in to Huawei cloud service website through your computer, and click Forgot Password in the login interface.

After resetting the password, please activate and access your Huawei mobile phone with your Huawei account and the newly reset password. C: I forgot the Huawei account number and password I got back when I started.

Please connect your mobile phone to the WLAN network first, click the activation help prompted by the mobile phone interface, and apply for activation in the pop-up interface. When the application is published, this button will become the active button. Then send the scanned/copied purchase invoice, MEID/IMEI number, contact email address or mobile phone number to hwsupport@mail0 1.huawei email address.

After the email is successfully sent, please contact Huawei customer service hotline 4008308300 to apply for remote unlocking. If the above methods still can't solve the problem, please take the purchase invoice to the after-sales outlets for processing.

7. Forgot the digital phone unlock password.

If you forget the phone's screen lock password, you can unlock it in the following ways; First, if your mobile phone is turned on for u *** debugging, then you can connect to the computer and use the brush master to unlock the password of your mobile phone.

Second, if your mobile phone is not turned on for u *** debugging, then you can double clear your mobile phone. The specific methods are as follows; When the phone is turned off, press the key combination to enter the double clear recovery mode.

The key combination is nothing more than the combination of the volume key and the power key. For example, the volume up button plus the power button, the volume down button plus the power button, or press all three buttons at the same time.

After entering the recovery mode, select Erase Data/Factory Reset Erase Cache Partition and Erase Data/Factory Reset. Third, it can be solved by brushing the machine.

Matters needing attention in double settlement. First, after the mobile phone is cleared, it will clear the locked data in the mobile phone, which is irreversible.

Such as address books and software. Second, many mobile phones enter recovery in different ways. Try a few more times. If you can't see the options I said, it proves that your model is wrong.