How do I delete latest security update for iPad 5th generation? It won’t upload?
My 5th gen iPad won’t update. How do I delete the update & reload?
iPad, 15
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You cannot “uninstall” a system software update. You can, however, restore your iPad to factory settings - a process which will fully erase and reset your iPad before installing a fresh copy of the most recent version of iOS/iPadOS supported by your iPad.
Restore your iPhone, iPad, or iPod to factory settings - Apple Support
Ensure that you have an iCloud or iTunes backup of your iPad before attempting the factory restore process - as unless you you a pre-existing backup, all data will be lost.
How to back up your iPhone, iPad, and iPod touch - Apple Support