Method 1: Clear all data in the phone setting interface.

Open (Settings > System Management > Backup and Reset > Clear All Data). If you have set a screen lock password or logged into a vivo account, please enter the screen lock password or password of a vivo account and follow the onscreen instructions.

1. The operation path of some models is: (Settings >; More settings > Restore factory settings > Clear all data) or (Settings >; More settings > backup and reset > clear all data).

2. If you need to erase user data such as music and pictures, please select "Format Mobile Phone Storage".

Method 2: Enter recovery mode and clear all data.

Note: If you don't back up your phone data before this operation, you won't be able to keep the data, and once the data is cleared, you won't be able to recover it.

1. Make sure the phone is turned off and the USB cable is not connected.

2. Press and hold (power button+volume button) at the same time. When you see the words vivo or iQOO, let go and enter the quick start mode. Press "Volume-"to move the cursor to "Enter Recovery" and select "Clear Data".

* Note: Different models have slightly different operations. For details, please refer to the following corresponding operation methods:

Folding screen: expand the operation in the off state, press and hold the "power button" and "volume+"for about 5 seconds, and enter the fast boot mode.

NEX 3/NEX 3S: Press and hold the top circle key 1.5 seconds in the off state, and then press and hold "Volume+"to enter the quick start mode.

3. Select Clear Data, and then select Clear All Data. At this time, the mobile phone data will be emptied. Please wait patiently for the liquidation to be completed.

4. When the words "successful cleaning" are displayed on the screen, select "Return" to return to the recovery mode interface, and then select "Restart" to set up and use the mobile phone.

Extended backup method:

Use cloud service backup

1, device cloud backup

Enter the "Cloud Service" APP-Device Cloud Backup-Backup Data Type-Select the data to be backed up-Back to the previous page-Back up immediately-and then back up the relevant data; Turning on "Automatic Cloud Backup" will back up relevant data every 7 days when the device is charged, connected to WiFi and locked.

Note: Device cloud backup can back up system data (including desktop layout, alarm clock and some setting options), call records, short messages and applications (only backup installation packages, excluding data generated by applications).

2. Cloud disk backup

Go to "Cloud Service"-My Cloud Disk-Click "+"in the lower right corner-Select the file to upload-Upload-and wait for the upload to be completed.

Cloud disk supports uploading pictures, videos, audio, documents, WeChat files, QQ files, software installation packages, compressed packages and other files.

Recovery method after backup:

1, enter cloud service-device cloud backup-backup management-and data recovery-click backup data-recovery-and wait for completion;

2. Enter the cloud service-My Cloud Disk-click the file to download-and download it locally.

note:

1) In device cloud backup, a device only keeps the latest backup data, and after each successful backup, it will overwrite the old backup data saved in the cloud.

2) The data of post-it notes can be transmitted to atomic post-it notes, but the data of atomic post-it notes cannot be transmitted to post-it notes.

If you have more questions or other backup methods, you can also enter vivo official website-My-Online Customer Service-Sliding Bottom-Online Customer Service-and enter the manual customer service for consultation.