Press and hold the power button for about three seconds, and the page of restarting shutdown will come out. Then, in the off state, press the volume button and the power button at the same time. After five seconds, the mobile phone will be displayed. Release the power button quickly, and the volume button will not be released. Then click the "Restore Factory Settings" page to reinstall successfully.

The data on the mobile phone will disappear, so be careful. If there is nothing on the phone, you can enter this operation. If you have important information, you can save the password on your computer or in a memo or notebook. Because when setting the password, the system has reminded everyone that if you forget it, you will not be able to recover it automatically.

Han You Pinxue is a brand of Hunan Zhi Zhi Classroom Education Technology Co., Ltd., headquartered in Beijing, and its business scope includes online education, vocational retraining, online publishing of e-books and magazines.