Can You Reinstall iOS on iPhone?

Back up your iPhone data and settings using iTunes or iCloud before reinstalling iOS. You can then restore the backup after the refresh. Download and install the latest version of iTunes to reinstall iOS on your iPhone.

Can I go back to an older version of iOS?

Apple might occasionally let you downgrade to a previous version of iOS if there’s a big problem with the latest version, but that’s it. You can choose to sit on the sidelines, if you like — your iPhone and iPad won’t force you to upgrade. But, after you do upgrade, it’s not generally possible to downgrade again.

Can you uninstall an iOS update on iPhone?

1) On your iPhone, iPad, or iPod touch, go to Settings and tap General. 2) Select iPhone Storage or iPad Storage depending on your device. 3) Locate the iOS software download in the list and tap on it. 4) Select Delete Update and confirm you do want to delete it.