I、The purpose of the Google account.
Google account is a mailbox which can be used to send and receive mail; It can be used to synchronize contacts, calendars and other information. You can also use Google account to navigate and share address information on Google map.
II、How to back-up the data of realme device to Google account.
Premise: the device has already logged into a Google account.
Path: Settings -->Google--> backup --> open Back up to Google Drive -> click Back--up now.
III、How to log in Google account and enable synchronization.
1．Log in at the boot wizard interface.
Path: Press the boot wizard prompts the next step --> input Google account --> input password --> select the backup device to be restored --> check the required information --> click to restore.
2．Log in to sync on a used phone.
Path: Settings --> Accounts and Sync --> Open Auto-Sync Data Switch --> Add Account --> Google --> Input Account --> Input Password --> Follow the prompts -->after login is complete the account,Click it --> click to sync now.
Note: Add multiple accounts to synchronize, the method is the same as the "Log in to sync on a used phone" step.