Nokia XR21 - Backup and phone reset; Automatic backup configuration; Factory reset your phone

Nokia XR21 User Guide
Switch on automatic backup
Tap Settings > System > Backup , and switch backup on.
RESTORE ORIGINAL SETTINGS AND REMOVE PRIVATE CONTENT FROM YOUR
PHONE
Reset your phone
1. Tap Settings > System > Reset options > Erase all data (factory reset) .
2. Follow the instructions shown on your phone.
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