Tool: Huawei P9.
1. Take Huawei P9 as an example, open the mobile phone desktop and click the application mall.
2. Download the mobile phone clone after entering and then open it.
3. Then return to the desktop and click Settings in the page drop-down.
4. Then enter and click Advanced Settings.
5. Go to Advanced Settings and click Data Migration.
6. In data migration, choose to migrate from Huawei equipment.
7. After entering, click Migrate from old mobile phone device (mobile phone clone).
8. Then connect the old mobile phone to operate after entering, so that data can be transferred quickly.