Learn how to use find my iPhone app on your iPhone 5s. iCloud. Activation Lock is enabled automatically when you turn on Find My iPhone. It can help deter theft by requiring your Apple ID and password if anyone tries to erase or reactivate your iPhone.
- Turn on Find My iPhone.Settings > iCloud > Find My iPhone
- iCloud on your computer. Sign in and select your device.
- Play Sound
- Lost Mode
- Erase iPhone
NoteSettings > General > Reset > Erase All ContentSettings.