checkm8

Check out the latest news and tutorials about checkm8, a hardware-based bootrom exploit for A7-A11 iPhones and iPads that can’t be patched by Apple, making it a popular choice for jailbreak tools.

Hackers show off jailbroken checkm8-vulnerable iPad and Apple TV running iPadOS 18 & tvOS 18 respectively

Anthony Bouchard ∙ June 12, 2024

A lot of people are wondering if we’ll ever see a jailbreak for iOS & iPadOS 18, and while we don’t have a crystal ball clear enough to give you a definitive answer, we will say that there’s at least a chance the iPad (7th generation) gets a jailbreak thanks to being susceptible to the checkm8 hardware-based bootrom exploit and being compatible with iPadOS 18 – the last checkm8-vulnerable iPhone or iPad meeting both of those criteria.

At least one checkm8-vulnerable iPad still supported by iPadOS 18

Anthony Bouchard ∙ June 11, 2024

Apple on Monday announced iOS & iPadOS 18 during the company’s WWDC 2024 Keynote, showcasing a plethora of new features for just about every platform the brand sells.

Semaphorin checkm8-based tethered downgrade and jailbreak tool gets support for A10X & A11 devices, and more…

Anthony Bouchard ∙ May 21, 2024

We’ve been covering a project known as Semaphorin for the better part of two months now, and as a tethered blobless downgrade and jailbreak utility for certain checkm8 bootrom exploit-vulnerable devices running various versions of older firmware, it plays an important role in this community.

Semaphorin v1.0 beta 3 tethered downgrade & dual boot utility adds support for more device & firmware combos

Anthony Bouchard ∙ April 29, 2024

At the end of March, we shared with you the news about a new utility called Semaphorin, which is a tethered blobless downgrade, dual-boot, and jailbreak utility for certain checkm8 bootrom exploit-vulnerable devices.

Rootful palera1n ending support for Substitute tweak injection in next update, switching to ElleKit advised

Anthony Bouchard ∙ April 11, 2024

If you’re using palera1n, the checkm8 bootrom exploit-based jailbreak tool for arm64 devices (iPhone X and earlier) running iOS & iPadOS 15.0 and later, then you may want to know about some important changes that are coming in a future update.

Semaphorin is a tethered blobless downgrade & jailbreak utility for certain checkm8 devices

Anthony Bouchard ∙ March 29, 2024

If you’ve got an older device running certain firmware versions, then you might be able to take advantage of a new checkm8 bootrom exploit-based blobless downgrade and jailbreak utility called Semaphorin by iOS developer y08wilm.

The palera1n jailbreak gets a TUI, offering a more approachable user interface than the regular CLI

Anthony Bouchard ∙ March 26, 2024

The palera1n checkm8 bootrom exploit-based jailbreak, unlike the checkra1n jailbreak before it, has long been a command line interface (CLI)-based jailbreak tool. This means you must use Terminal to use it, which can be off-putting for those uncomfortable with running Terminal commands.

The palera1n jailbreak is coming to the Apple TV

Anthony Bouchard ∙ March 24, 2024

The palera1n team, known for its creation of the palera1n semi-tethered checkm8 bootrom exploit-based jailbreak tool for arm64 devices (the iPhone X and older) took to X (formerly Twitter) early Sunday morning to share an exciting announcement.

Palera1n jailbreak updated to v2.0.0 beta 9.1 to fix app crashing on iPadOS 17.2-17.3.1

Anthony Bouchard ∙ March 6, 2024

The palera1n checkm8 bootrom exploit-based rootless jailbreak for arm64 (A8-A11) chip-equipped handsets on iOS & iPadOS 15.x-16.x and iPadOS 17.x received an important update last weekend to version 2.0.0 beta 9. But since that update dropped, at least one issue has been identified.

Checkm8-based palera1n jailbreak for arm64 devices updated to v2.0.0 beta 9 with hot fixes & more…

Anthony Bouchard ∙ March 2, 2024

The palera1n checkm8 bootrom exploit-based rootless semi-tethered jailbreak tool for arm64 (A8-A11) devices running iOS & iPadOS 15.0-17.x received a rare update late last night, officially bringing the project up to version 2.0.0 beta 9.

New rumor suggests iPadOS 18 could drop support for checkm8 exploit-vulnerable iPads

Anthony Bouchard ∙ February 28, 2024

Lots of people who hold iPhone jailbreaking near and dear to their hearts remember the sinking feeling they felt when Apple announced that iOS 17 wouldn’t run on the iPhone X and older devices. This decision effectively ended the use of the checkm8 exploit to jailbreak any iPhone firmware newer than iOS 16.

palera1n jailbreak updated to version 2.0.0 beta 8 with official support for iPadOS 17.0-17.1 on some older iPads

Anthony Bouchard ∙ October 26, 2023

In case you haven’t been following along, the palera1n jailbreak is powered by the unpatchable checkm8 bootrom exploit and has officially supported iOS & iPadOS 15 and 16 on all A11 and older devices since being released.