Downgrading from iOS 9.3.5 to iOS 8.4.1 is officially unsupported by Apple because they stopped signing iOS 8.4.1 in late 2015. However, an "OTA (Over-the-Air) Downgrade" method remains functional for most 32-bit devices like the iPhone 4S, iPad 2, iPad mini 1, and iPod Touch 5. Downgrade Feasibility Report
Before you begin, you must understand the current landscape of iOS downgrades. downgrade ios 9.3.5 to ios 8.4.1
The command essentially looks like this (simplified): Downgrading from iOS 9
idevicerestore.exe -w [8.4.1.ipsw]
If you are still using a 32-bit device like the , iPad 2 , or iPod Touch 5th Gen , you’ve likely noticed that iOS 9.3.5/9.3.6 can be painfully sluggish. Downgrading to iOS 8.4.1 is the single best way to restore the original snappy performance to these legacy devices. In your command window, you will send the
The Odysseus method requires your device to be jailbroken to run the kloader exploit, which tricks the device into accepting the older firmware.
In your command window, you will send the kloader file to the device using scp (secure copy) or a script included in the tool.
