How to downgrade from iOS7 to 6.1.3?
5405
Can I install any iOS version I wish by picking and choosing which firmware to restore?
32200
How do I downgrade a package?
342
Iphone 4 won't update past a 7.1.2
1772
iPad 1 update from 5.1.1 to 7.1
211
Can I skip over releases when upgrading?
75164
Update iOS 5.1.1 on iPad 1 to at least iOS 6
67481
How to revert a do-release-upgrade?
113505
How can I update my 3rd generation iPod touch from iOS 5.1.1 iOS 6.0
28172
I want to downgrade from Yosemite 10.10 to Mavericks or previous operating system
115657
How to quickly set year only in iOS 7
76890
Can I restore data backed up from a newer version of iOS?
3670
How to downgrade an app if it has been updated via Play Store?
148808
Update from Mac OS X 10.6.8 to the newest version
113042
iPhone 7 Plus stuck in recovery mode and can't restore/update even in DFU after downgrading from iOS 11
128402
Install Facebook Messenger on iPhone 3Gs running iOS 6.1.6
68816
How do I backup and restore my IPA app backups in iTunes 12.7?
114387
How do I upgrade an iPhone 4 from iOS 7.1.2 to iOS 8 or 9