How to do a hard reset on APPLE iPhon…
https://www.hardreset.info/devices/apple/apple-iphone-12-mini/
Use the Settings app on your device. Go to General > Reset > Erase All Content and Settings. Enter your passcode and confirm. Use the Find My iPhone app on iCloud. Sign in with your Apple ID and select your device. Click Erase iPhone and confirm with your password. Before you reset your device, make sure to turn off Find My iPhone. Go to Settings > Your Name > Find My > Find My iPhone and toggle it off. Open the Find My iPhone application on the iCloud official site via the address: icloud.com/find with your browser. Sign in with your Apple ID credentials. Click all devices and locate your iPhone 12 (mini)/12 Pro (Max).
Use the Settings app on your device. Go to General > Reset > Erase All Content and Settings. Enter your passcode and confirm.
Use the Find My iPhone app on iCloud. Sign in with your Apple ID and select your device. Click Erase iPhone and confirm with your password.
Before you reset your device, make sure to turn off Find My iPhone. Go to Settings > Your Name > Find My > Find My iPhone and toggle it off.
Open the Find My iPhone application on the iCloud official site via the address: icloud.com/find with your browser.
Sign in with your Apple ID credentials.
Click all devices and locate your iPhone 12 (mini)/12 Pro (Max).
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