IPSW

Apple stops signing iOS 12.1, preventing firmware downgrades via iTunes

Anthony Bouchard ∙ December 18, 2018

Apple officially closed the signing window for iOS 12.1 on Tuesday, a move that prevents all iPhone and iPad users from downgrading their handset’s firmware via iTunes to any version lower than iOS 12.1.1.

Apple released iOS 12.1.1 just under two weeks ago and followed up with iOS 12.1.2 yesterday afternoon, so it’s not very surprising that the company is halting downgrades to iOS 12.1. It’s somewhat typical for Apple to stop signing an older firmware version about two weeks after an update is released.

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Apple is no longer signing iOS 12.0

Anthony Bouchard ∙ October 22, 2018

On Monday, Apple stopped signing iOS 12.0, making it impossible to downgrade from iOS 12.0.1 to iOS 12.0. The move also compels those on iOS 12.0 to upgrade to iOS 12.0.1 when attempting a restore via iTunes.

The news shouldn’t come as much of a surprise since the Cupertino-based tech company released iOS 12.0.1 to the public just over two weeks ago. Apple typically stops signing firmware approximately 14 days after releasing a new version to facilitate software upgrades among its user base.

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How to downgrade iOS 9.1 to iOS 9.0.2

Jeff Benjamin ∙ Updated April 19, 2018

Maybe it was the new emoji that tempted you? Or maybe you just made a mistake? Whatever the reason, you've found yourself on iOS 9.1, but wish to go back to iOS 9.0.2—the last jailbreakable firmware that's currently available for iOS 9. Fortunately, you still have time to downgrade back to iOS 9.0.2.

In this video tutorial, we'll show you how easy it is to downgrade from iOS 9.1 to iOS 9.0.2. But act quickly, this tutorial certainly has an expiration date, which will occur when Apple closes the 9.0.2 signing window.

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Apple closes iOS 8.4.1 and iOS 9.0 signing window

Jeff Benjamin ∙ Updated October 4, 2017

Today's brisk activity has come to an end with the closure of the iOS 8.4.1 and iOS 9.0 signing window. This means that users can no longer upgrade or downgrade to iOS 8.4.1 or iOS 9.

This is big news, because an iOS 8.4.1 jailbreak has been rumored to be in the works. If you didn't heed our advice about updating or downgrading to iOS 8.4.1, then it's too late to do so now.

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How to update to iOS 9

Jeff Benjamin ∙ Updated June 13, 2018

iOS 9 is now officially out, and it brings with it a whole slew of new features. If you own an eligible iPhone, iPad, or iPod touch, you can download an install iOS 9 right now.

In many cases, especially with the latest iPads, iOS 9 can make you feel like you have a brand new device. In this post, we'll show you which devices are eligible to be updated, as well as how to update.

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Apple seeds iOS 9 GM and iOS 9.1 beta 1

Jeff Benjamin ∙ Updated August 2, 2018

Ahead of next week's September 16th's iOS 9 public release, Apple has seeded the iOS 9 Golden Master seed. This release, baring any unforeseen circumstances, will contain the same code that ships to customers next week.

Apple also took the time to release the first public beta of iOS 9.1. Reports have stated that the newly announced iPad Pro will come with iOS 9.1 once it ships in November.

Both iOS 9 GM and iOS 9.1 beta 1 are now available for download via Apple's Developer Center.

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Apple releases iOS 8.4.1: here is what’s new

Jeff Benjamin ∙ Updated April 30, 2018

Apple just released iOS 8.4.1 to the public. If you're jailbroken, it's highly recommended that you stay away from this update. We'll post an update once we have details of what the iOS 8.4.1 release contains, but rumors have swirled for weeks that it may fix the exploits used for the latest iOS 8.3 and iOS 8.4 jailbreak.

So far, we have not found any indication that this is so, but hold off just in case if you're interested in jailbreaking. If you're not interested in jailbreaking, feel free to update.

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Apple releases iOS 8.4.1 beta 1 to developers

Jeff Benjamin ∙ Updated May 7, 2018

Apple just seeded iOS 8.4.1 beta 1 to members of its developer program. Seeing that this release is a minor version release, there's a good chance that it contains bug fixes, and perhaps even a fix for the exploits used in the iOS 8.3 and iOS 8.4 jailbreaks.

While details are currently scarce about what the update contains—there are no release notes at this time—we'll be sure to update you once we gather more info.

The iOS 8.4.1 beta 1 release comes in with a build number of 12H304, and is available for all devices capable of running iOS 8.4.

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iOS 8.3 is no longer being signed by Apple

Jeff Benjamin ∙ July 7, 2015

Wishing to downgrade (or upgrade) to iOS 8.3? If so, you're too late, as Apple just stopped signing iOS 8.3.

As has been the trend lately, Apple tends to continue signing older firmware even after new firmware—such as last week's iOS 8.4—has been out for a while. This time, a full week passed before Apple closed the doors on iOS 8.3.

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Apple seeds iOS 8.4 beta 4 to developers

Jeff Benjamin ∙ Updated April 18, 2018

Apple seeded iOS 8.4 beta 4 to developers this afternoon. It is available immediately to those developers running iOS 8.4 beta 3 via Settings → General → Software Update. It is also now available as a download from Apple's redesigned Developer Portal.

The iOS 8.4 beta 4 release, which is build 12H4125a, comes nearly a month after iOS 8.4 beta 3. Apple announced at yesterday's WWDC keynote, that its new Apple Music streaming service was set to debut on June 30th. This means that we'll see the final version of iOS 8.4, in which Apple Music will officially arrive to the public, before the end of the month.

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iOS 8.2 is no longer being signed

Jeff Benjamin ∙ May 4, 2015

Today, Apple ceased signing iOS 8.2. Although the closure of this particular signing window has no measurable impact on jailbreakers, it's still worth nothing any time Apple closes a firmware signing window.

If, for some reason, you didn't want to upgrade from an earlier iOS version to iOS 8.3, you could, up until today, upgrade to iOS 8.2. Or, if for some strange reason, you wanted to downgrade to iOS 8.2, you could do so up until today as well. That is, of course, no longer the case.

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