Locate the key. Change it from 9.3.5 to 7.1.2 . Save the changes and exit Filza. Step 3: Trigger the iOS 8.4.1 OTA Update
Open Filza and navigate back to the root directory by tapping the back arrow until you see a single forward slash ( / ).
Navigate to the following directory: /System/Library/CoreServices downgrade ipad 2 ios 9.3.5 to 8.4.1
Note: The late-2012 iPad 2,4 (Mid 2012 rev) requires special handling via the command line and is occasionally incompatible with traditional OTA tricks. 2. Desktop Computer
Open the App Store, navigate to your Purchased tab, and download apps you have previously owned. Apple will offer a prompt saying, "Download an older version of this app?" Click download. Locate the key
Open and tap the back arrow at the top left until you reach the root directory (represented by a single forward slash / ).
(On Windows: odysseus.exe -d )
Downgrading an from iOS 9.3.5 to iOS 8.4.1 is a popular way to improve the device's performance, as iOS 9 is often sluggish on older 32-bit hardware