We cannot accept any device with an iCloud account still logged in or Find My iPhone enabled. Thankfully, they are easy to remove! Just follow BOTH these simple steps:
If you're using iOS 10.3 or later, tap Settings > [your name]. Scroll down and tap Sign Out. Enter your Apple ID password and tap Turn Off.
If you're using iOS 10.2 or earlier, tap Settings > iCloud > Sign Out. Tap Sign Out again, then tap Delete from My [device] and enter your Apple ID password. Then go to Settings > iTunes & App Store > Apple ID > Sign Out.
Go back to Settings and tap General > Transfer or Reset [device] > Erase All Content and Settings. If you've turned on Find My [device], you may need to enter your Apple ID and password. If your device uses eSIM, choose the option to erase your device and the eSIM profile when asked.
Go back to Settings and click on your Apple iCloud account > 'Find My' > Find My iPhone and slide to turn it off. If you've previously turned on Find My [device], you may need to enter your Apple ID and password to turn it off.
Please use the guide if you have any issues: How to remove Activation Lock - Apple Support
UPDATED SEPTEMBER 2023
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