buying a second hand iphone 7

See, If you see “The maximum number of free accounts have been activated” - Apple Support

faizramadhan (author)

Another angle to your situation likely includes a previous owner

who might not have correctly readied the Apple device prior to

re-selling that unit to a potentially the new owner.

What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support

Above instructions he or she should have followed prior to selling

iPhone or iPad to another person, include certain required steps.

A second owner may find too late, how this issue affects use and

ownership of an iPhone. 'Activation Lock' is another symptom.

Bought used iPhone and it's locked to the Owner - Apple Community

•Activation Lock for iPhone and iPad - Apple Support

iPhone 12 locked to owner - Apple Community

The All Too Common SAD Reality of Buying a Used iPad/iPhone - Apple Community

"buying a second hand iPhone 7: i cant login icloud in my iphone,"

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Thank you for the screenshot.

5-Devevice Limit:

You can only sign in to 5 Apple Accounts per device. So, return this. You have been sold an unusable device. As the messages reads: "The maximum number of free accounts have been activated on this iPhone."