The following are the specific steps:
1: Make sure that the mobile phone can connect to the computer normally with the data cable. If you can't connect normally, Mini Mobile suggests that you install a Huawei mobile assistant software directly on your computer.
2. Turn off the wifi and mobile data connection, and find the system update-storage-deletion data in "Settings-Applications and Notifications-Application Management".
3: Enter "Settings-System-About Mobile Phone", click the version number 7 times to open the developer mode. Enter "System-Developer Options", turn off "Automatic System Update", turn on "USB Debugging" and "Allow ADB to debug in charging mode only", and a prompt will pop up for confirmation.
4: The mobile phone is connected to the computer with the original data cable, and the connection mode is selected to transfer files. Download adb Toolkit from the computer, click here to download it, and after decompression, put the adb folder in the root directory of drive C of the computer.
5: Then double-click Run 1. Disable system update "(if you want to turn on system update in the future, double-click Run 2. Open system update).
6. If the computer prompts an error message, such as "Error: Device/Emulator Not Found", please press any key to exit. Then the phone returns to the developer option, re-opens USB debugging, jumps out of the RSA key of this computer ... check "Always Allow" and click "OK". Double-click the computer to run 1. Disable system updates ".
7: If the computer displays "New Status: Disabled-User", the disabled is successful! Press any key to exit.
8: After the computer display is disabled successfully, the mobile phone sees that the system update is disabled in "Settings-Applications and Notifications-Application Management". Then close all options in "Traffic Usage, Permission, Notification, System Settings Modification" of the system update, and then click "Forced Stop" to completely close the system update.
9: Operation completed