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Instal the last version for iphoneVShare2/17/2024 Note: All iOS 14 versions and iOS 15.0 and some iOS 16 versions have been unsigned by Apple, so you can no longer downgrade your iPhone software to these versions. To quickly check this, go to and select your device and desired software version to see if the iOS is still signed. If the software version is no longer signed, Apple has stopped supporting the iOS version and you cannot downgrade. Make sure the previous software version is still signed by Apple.This is because there is no way to downgrade your watchOS, and this may cause incompatibilities. Apple Watch users might lose some functionality. If you’ve already installed the latest watchOS on an Apple Watch, you may not be able to fully use your wearable after downgrading your iPhone software.While you can still use an earlier backup, you will still be losing some data. This is because a later version backup cannot be used after you downgrade to an earlier software version. You will lose any data from after your latest iOS update.Because of this process, there are a few important points you need to consider before making the decision to uninstall the latest iOS: To update your iPhone, go to your Settings > General > Software Update and download and install the latest iOS version.To reinstall an iOS update, you'll need to download the previous software version on your computer, restore your iPhone to factory settings, load the downloaded software on your iPhone, then restore your data from a previous backup. For those on iPhone 8 or above, it’s time to update to iOS 16.2, the latest version of iOS 16, to keep your iPhone safe. So in this case, there isn’t an option-at least at the moment-to stay on iOS 15 and remain secure, unless you have an older iPhone. Putting faith in older devices that may not be taken care of is “a risk people shouldn’t be taking,” he adds. “You can only truly be protected with the latest patches by having the most up-to-date iOS,” says Jake Moore, global cybersecurity advisor at ESET. There are also upcoming security features that will only be available in iOS 16-such as end-to-end encryption for iCloud, he points out. “Apple has now had sufficient time to iron out the issues, so the concerns about moving to a new major version of the iOS should be a lot less.” “Folks should look to update to iOS16 now,” says independent security researcher Sean Wright. The moral of the story is if your iPhone will support it, you need to update to iOS 16 as soon as you can. I asked Apple to comment on this story and will update my article if the firm responds. Therefore you need to apply one of these updates, or cut out the middle man and go straight to iOS 16.2 as soon as you can. While the flaw fixed in iOS 15.7.2 and iOS 16.1.2 was actively exploited against iOS versions before 15.1, there still must be a risk to other users. However, it only updated its support page this week with details of the patch. Now here’s for the really confusing bit-Apple issued the iOS 16.1.2 update a couple of weeks ago, fixing the very same issue. Apple says on its support page that it “is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1.” Tracked as CVE-2022-42856, the security issue in WebKit, which underpins Apple’s Safari browser, could lead to arbitrary code execution. But in the case of iOS 15.7.2, it’s important that you update straight away because it fixes a security flaw that is already being used in real-life attacks. I get it-you might be tempted to leave updating for a while to see if anyone else is getting bugs after upgrading to the new iOS version. ![]() iOS 15.7.2 and iOS 16.1.2 fix an already-exploited security flaw But this support was always going to be limited, and with iOS 15.7.2 being offered for older iPhones only, it appears time is up.
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