1. If the mobile phone is turned on to retrieve, you can retrieve the password through this function; 2. Force the factory settings to be restored, but the data in the mobile phone will be erased.
If the following methods cannot be solved, it is recommended to take the purchase invoice to the service outlets for processing.
Method one. Mobile phone search (EMUI 4. 1 and the following platforms) 1) Premises: the mobile phone is turned on, the mobile phone is connected to the Internet, the mobile phone logs into Huawei account, and the mobile phone search is started. 2) Log in to the cloud service on the computer. 3) Enter the user name and password to enter the cloud service homepage. 4) Enter the same password when logging in to the cloud service account on the webpage. 5) Then select the mobile phone to retrieve it. Enter the login password for the cloud account. 6) At this point, the page jumps to the positioning page, and after positioning the mobile phone, click to lock the device. 7) At this time, you need to enter a new screen lock password, and click Next. Enter the login password again to confirm, and then click Next. 8) Some step operations are optional. If not, go directly to the next step and click Lock. 9) "Locking" will appear after the lock is started. After the lock is successful, the words "lock mode" will appear in the upper right corner of the page. At this point, use the newly set lock password to unlock the phone.
Method 2: forcibly restore the factory settings: turn off the mobile phone, press and hold the sound button and the power button at the same time without plugging in the USB cable until the logo interface is displayed, and select to restore the factory settings.