It is only possible to upgrade an iPhone to a new stable release without using computer (by visiting its Settings > General > Software Update). You can also delete the existing profile of an iOS 15 update from your phone if you want. Though, to downgrade your device, you need to take the assistance of a computer.
If you regret to upgrade iOS 16, you only can downgrade iOS 16 to 15 through the iTunes or the third party tools like Tenorshare ReiBoot. ReiBoot can remain all your data intact and secure You don't need to jailbreak your iPhone or install iTunes on PC in the process.
The answer to this question is no.
It is important to note that while you don't necessarily have to use iTunes to downgrade the version of iOS you are running, but you do need to use a computer. We must point out that it is however possible to upgrade the version of iOS you are running without a computer.
If you plan to go straight to iOS 16, you don't need to download iOS 15.7 first. The bug fixes mentioned within the release notes are all contained within iOS 16 too. You can just hit the Upgrade to iOS 16 option that sits below iOS 15.7.
Since the two versions are no longer being signed, it is not possible to downgrade to those versions of iOS after installing iOS 16.0. 2.
An unusual battery drain issue is one of the worst things to occur with your iPhone after iOS 16 install. This issue can persist even with the latest software update. It's been hardly a month since iOS 16 has been released officially, yet there are reports of many battery drain issues from the general public.
Apple iOS 15.6.1 Verdict: Upgrade
At this stage, iOS 15 has proved itself to be consistently reliable, and iOS 15.6. 1 looks set to follow this trend. Yes, isolated problems remain, but no software is ever bug-free. My advice is to upgrade as soon as possible.
iOS 15 has benefitted from a whole year's worth of gradual bug fixes, meaning that it is likely to be much more stable and reliable than iOS 16, which has only just been released.
iOS 16: When is the best time to upgrade
We recommend waiting for the first big update to iOS 16 before upgrading. The good news is that iOS 16.1 was released back in October 2021, so we would suggest that most users, with compatible iPhones, should now upgrade from iOS 15.
2 and iOS 16.2 comes down to which iPhone model you have. If you own an iPhone 8 or above and haven't updated yet, it's probably time to update to iOS 16.2. However, if you have an older iPhone, you'll want to apply iOS 15.7.
Though Apple's iOS updates are not suppose to delete any user information from the device, exceptions arise. To bypass this threat of losing information, and to quell any anxiety that may accompany that fear, back up your iPhone before doing an update.
Before you get started, it's worth noting that you won't have the option to delete the update file if you've already installed that particular iOS version. With that said, follow these steps to delete an iOS update file from your iPhone: Open Settings on your iPhone and tap General. Select iPhone Storage from the menu.
There's only a limited time window for you to downgrade iOS as Apple needs to 'sign' the old version of iOS before you downgrade. And Apple usually stops signing the older iOS version within a few days of the new iOS release. For instance, Apple stopped signing for the iOS 13 version after the release of iOS 14.
Click on “iOS Upgrade/Downgrade” to get started. Step 2: Choose "Downgrade" Option and then choose the button below. Step 3: Wait for the software to download the latest firmware file and begin the downgrade process. Step 4: Within few minutes, it will successfully downgrade your iPhone.
iOS downgrades are not permitted. Apple doesn't allow it and therefore you cannot. It's not possible to downgrade, legal or not legal.