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:

2. Enter the incorrect unlocking pattern five times, and the prompt message "Please try again after 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.

3. 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.

Samsung official website didn't provide software to brush the computer. Because there are risks, such as mobile phone problems caused by brushing your own machine, which may also affect the warranty, it is not recommended that you brush your own machine. ?

If Samsung mobile phone can't be turned on normally, in order to better understand and solve the problems of Samsung mobile phone, it is recommended to send the mobile phone to the nearest Samsung service center for testing. The service center will determine the specific problems, accessories and other hidden troubles of the mobile phone according to the test results. If the warranty period expires and the warranty conditions are not met, the service center will give a quotation for specific accessories and maintenance costs.