This is a device used for rental company. Customers can lease a phone but if not able to make payment the device get returned back to our inventory. We are not able to sell the devices because the are all lock when we factory reset them.
iPhone 11
Apple can completely reset a device if a person can provide sufficient evidence of valid ownership. Do this online at: Activation Lock support request - https://al-support.apple.com/#/additional-support Apple says, "Proof of ownership documentation is required," but does not state what currently constitutes proof. Prior to this new online service Apple typically required the original receipt issued by Apple or an Apple Authorized Reseller and documented provenance (so typically it would be the original owner who does this, or a descendant with legal proof of ownership).
Apple recommends you "Keep your receipt after you buy an Apple device" --> Keep your receipt after you buy an Apple device - Apple Support
Consider an enterprise solution in this situation.
Intro to Apple Business Essentials - Apple Support
Apple Configurator 2 for Mac User Guide - Apple Support
Apple can completely reset a device if a person can provide sufficient evidence of valid ownership. Do this online at: Activation Lock support request - https://al-support.apple.com/#/additional-support Apple says, "Proof of ownership documentation is required," but does not state what currently constitutes proof. Prior to this new online service Apple typically required the original receipt issued by Apple or an Apple Authorized Reseller and documented provenance (so typically it would be the original owner who does this, or a descendant with legal proof of ownership).
Apple recommends you "Keep your receipt after you buy an Apple device" --> Keep your receipt after you buy an Apple device - Apple Support
Consider an enterprise solution in this situation.
Intro to Apple Business Essentials - Apple Support
Apple Configurator 2 for Mac User Guide - Apple Support
Remove activation lock on company device
