Hammer mobile phone password changed to four digits.

It can be solved by shutting down and returning to the factory.

1. When the phone is turned off, press the phone volume ++HOME button+power button for 3-5 seconds at the same time, and press the volume up button to indicate upward movement; When the volume decreases, the power button moves down to confirm.

2. Select wipedata/factoryreset to clear the data and restore the factory settings, and then press the power button to confirm.

3. After a period of time, the screen in step 2 will reappear. Select rebootsystemnow to restart the phone, press the power button to confirm the restart, and the password will disappear.