Why can't Xiaomi 3 receive the notification message?

Call customer service first 10086. If it's a cell phone problem.

Before Sanqing, it is best to open the backup software that comes with your mobile phone to make a backup, which is convenient for recovery.

Sanqing is to format the mobile phone, which can solve most system problems, software flash back and other anomalies. Sanqing was also used to update the system before.

Clear the system data to ensure the normal operation of the brush machine.

Method of entering Sanqing rec mode

1, the mobile phone opens the system update software, and selects the menu key to enter the rec mode.

2. When the battery is turned off (button the battery yourself), press and hold the power button and the volume button at the same time, then light up the screen and release it later.

Then go to a page,

simplified Chinese

English

3. The power key is the OK key, and select the volume up and down keys. There are three options in this page. Press the power button to confirm and select Simplified Chinese.

4. Select Clear Data.

5. Select Clear Cache, and then select Clear Data again after clearing.

6. Select Clear User Data, and then select Clear Data again after clearing.

7. Select to clear all data. After clearing, choose to restart the phone.

8. Select the nearest access system.

9. After the phone is turned on, find, back up, open and recover all data.