Activation could not be completed. Please restore the phone and install the latest version of Ios and attempt activation again. What should I do?
My phone says: activation could not be completed. Please restore the phone and install the latest version of iOS and attempt activation again. If the problem persist, please contact customer care. I activated it 3 years ago, and this massage appeared 2 days ago. What should I do?
iPhone 6, iOS 9.3.3