How to Downgrade iPhone 4s from iOS 9 to iOS 6.1.3 (Without SHSH Blobs) – iPodHacks142
Why you should upgrade your older iPhone to iOS 9.2.1
discussion] hello. i downgraded my iphone 4s to ios 9 to ios 6. works youtube, facebook. but the messenger doesn't work, it's hard to fix. I also installed other tweaks, but the