1. In the lock screen interface, enter Set Signature Lock.
2. If you enter the wrong signature for many times, you will be prompted to enter the backup PIN code as an alternative signature, and you can unlock it after you enter it correctly.
3. If your mobile phone supports Samsung.
Remote control function of diving, and meet the following conditions: remote control, mobile data (or WLAN) has been started; The mobile phone is bound to a Samsung account, please visit the following website:/
Unlock the screen through the mobile phone remote control.
4. If the above operation fails, it is recommended that you send your mobile phone to the nearest Samsung service center to unlock it.