I sold my iPhone to my friend and she used her Apple ID to sync some apps and music, but after a few days she gave it back to me. Now I have 2 questions:
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How can I delete all her apps and Apple ID from my phone? (I mean I need to reset to original factory settings to use my own apps and Apple ID.)
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I have a backup from my phone. How can I sync my own apps and use my own Apple ID?
Best Answer
To reset to factory settings, in your iPhone go to Settings → General → Reset → Erase All Content and Settings. It ask for confirmation twice.
To restore a previous backup, you have a couple of options: