2. After the mobile phone enters the engineering mode, select Service Test -NFC-NFC Diagnostic Test;
3. At this time, just press the Home button at the same time, you can bypass the password and directly enter the main interface to control the mobile phone!
In order to prevent some important personal information in the mobile phone from being obtained or accessed by others, such as short messages, address books, photos and so on. We usually set a lock screen to protect the mobile phone. In Android smart phones, the most commonly used security measures are mode locking, PIN code or digital password lock screen.
However, what should I do if I accidentally forget the set mode PIN or password? In fact, you don't have to worry about this problem. Because at the beginning of the design, Android has considered this problem and provided users with several different ways to bypass the lock screen. But unfortunately, none of these methods is suitable for all devices!
Below I will give you seven most effective methods at present, hoping to solve your problem!
Methods: Use Android Device Manager.
For newer Android smartphones or tablets, using Android Device Manager to bypass the lock screen is the best choice. You can log in to Android Device Manager through your Google account. There is no requirement for the equipment used for login. You can use any device or computer to log in to the service! )
After ADM is repaired on your device, let's click the "Lock" button. If the service has problems finding your device, we can refresh the browser several times. If your mobile phone is compatible, it should be in? About five times? Get a connection after trying.
After clicking the lock button, you will be prompted to enter a new password. This will reset your previous screen lock password. After confirming that the new password is correct twice, we just need to click the "lock" button.
It takes about five minutes to reset the password. After the reset is completed, you can log in to the device with the new password!