Can't activate iPhone 4s. I just factory reset it through the settings app and it won't activate now. It's running iOS 8.4.1 and I DON'T want to update it to iOS 9.3.6.
How to Activate an Unlocked iPhone 4S | OSXDaily
Some face delays activating new iPhone 4S
iOS 7 Could Not Activate iPhone 4S (Sprin… - Apple Community