The SMS tag on the desktop was accidentally deleted. How do I restore it to the desktop? The mobile phone is oppor9.

If the self-contained application is deleted or lost, it can be recovered by the following methods:

1, enter settings, find all applications-OPPO desktop-and select clean data;

2. Enter the software store, search for the corresponding software, and click Install and Use after the search (some self-contained software cannot be downloaded directly in the software store);

3. Non-ROOT phones can be restored by restoring factory settings. Please back up the data before restoring; ?

4. If ROOT has passed the mobile phone, you need to download the official firmware package to refresh the system or go to the local customer service center for processing.

Method for upgrading mobile phone

There are two ways to update the new version:

1. Online upgrade: You can check whether there is a new version pushed through "Mobile Desktop-System Update". If a new version is detected, you can click Download and Install. During the installation process, the mobile phone will be automatically turned off to ensure that the battery of the mobile phone is above 40%, otherwise it will prompt that it cannot be operated.

2. Brush your teeth manually:

① Backup materials (contacts, short messages, etc.). ) You can back up through "Mobile Desktop-Cloud Service" or operate through "Tools-Backup and Recovery";

② Download the firmware package of the mobile phone in the "firmware download area" and store it in the root directory of the mobile phone;

③ Double clear after backup: after shutdown, press and hold the power button+volume down button for about 10 second to enter the OPPO recovery mode, and select Chinese Simplified-Clear data and cache;

④ Select to install the upgrade package, and click the stored firmware package to confirm the upgrade.