Why my iMessage not working after updating ios 8.3? Please help me.
I have been using iPhone 4s 16 gb for three years. I have not faced a software problem before. A few days ago I got new ios updation 8.3 and I updated the iOS but my iMessage and FaceTime now working with this new software version. How can I fix the issue? Where can I get help from?
iPhone 4S, iOS 8.3, 16gb