New answers tagged find-my-iphone
Restoring the iPhone did the trick. To restore the phone, you can follow the instructions in this KB article: iOS: Unable to update or restore. Afterwards, the activation worked fine. If this doesn't fix your problem, you should check if the used SIM card is not sim and/or net locked.
You mention that you removed the phone from your Find my iPhone in iCloud, but then it can't be activated with anyone's Apple ID. Only the Apple ID that is shown on the page is the one that can be used to activate it. Once it is activated, you can use any Apple ID to register the iPhone and log in to iCloud. In the screenshot above, only the Apple ID ...
Top 50 recent answers are included