Can I activate Night Shift on APPLE iPhone 4S?, How To - HardReset.info
How to Set Up and Activate an iPhone 4S - YouTube
Activating an iPhone 4S is (or at least should be) a breeze | VentureBeat
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 your iPhone 4S (photos) - CNET
Apple iPhone 4S - iMessage - AT&T
Unlock iCloud iPhone 4/4s/5/5s/5c/SE Any iOS 6/7/8/9/10 WithOut Apple ID/WIFI/DNS 2019 - YouTube
Fix an “Activation Error” After an iPhone Reset / Restore | OSXDaily
AT&T Activations Servers Overloaded with iPhone 4S Launch - MacRumors