The address book on Huawei Maimang 4 desktop suddenly disappeared.

Maybe you accidentally deleted it from the desktop.

1. Go to Settings->; "manage applications"->; Press the menu key, select Reset Application Preferences, and then click Reset 1 Application.

2. In the "All" list in the "Manage Applications" interface, find "Huawei Desktop", click "Enter" and select "Clear Data".

3. The icon that disappears after returning to the desktop appears.

4. If the above method fails: restore the factory settings.

If root passes, you need to brush the official firmware package to retrieve the address book at /plugin.php? Id=hwdownload, find your phone model, download the firmware package to the SD card, decompress the upgrade package, and copy the updated dload folder. APP file to the root directory of SD card. Check whether there is dload\UPDATE. APP in the root directory of SD card.

When the mobile phone is turned off, insert the SD card and press the volume up key+volume down key+on/off key at the same time, the mobile phone will automatically enter the upgrade mode and then start the upgrade. Remember to back up the data. When backing up data, you can upload it to the computer or the cloud through the software assistant.