iOS 14.5.1 / 12.5.3 system is here, jailbreak is still supported

iOS 14.5.1 official version has been released

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In the early morning of May 4, Apple released the iOS 14.5.1 system version. This version is the official version, which is seven days apart from the previous official version. The update package size is: 133.1MB, and the cross-system upgrade is 4.56GB. If you want to upgrade, you can upgrade in Settings-General-Software Update.

I told you! Apple will definitely release iOS 14.5.1 system to fix the problem, and it finally came.

What exactly does iOS 14.5.1 fix?

From the description of the update package, we learned that the App tracking transparency issue in the iOS 14.5 system has been fixed. After some users disabled "Allow APP to request tracking" and restarted and enabled it, they would not receive App prompts.

As for the problem that the "Allow APP to request tracking" button is grey and cannot be opened, it seems that it has not been fixed yet. If it could not be opened before, this problem still occurs. I guess Apple has determined that this is not a BUG. According to user feedback, changing the US Apple ID will restore to normal.

In addition to solving the issue of App tracking transparency related to not receiving App prompts, two major WebKit vulnerabilities were also fixed, which could lead to arbitrary code execution. However, the vulnerability may have been exploited by other hackers.

We are not sure who it is, but recently we have paid attention to the author of ModernPwner, who was the one who previously disclosed the system vulnerabilities of iOS 14.3 and below.

They also mentioned that they have a new technique to bypass the PAC protection mechanism, and they may release the PAC bypass technology and iOS 14.5 exploit program, and also told us that they may release the 14.5 exploit after Apple releases the patch. (There is some uncertainty in the public)

Once again, if you want to know about the jailbreak news for iOS 14.4 to 14.5, then we need to know one thing, we can talk about the jailbreak progress only after the vulnerability is made public. It has not been made public yet, so we will not talk about the jailbreak progress.

Regarding the green screen issue on the iPhone 12 series, this is a random fix, and Apple can’t do anything about it. They know it’s a hardware problem and try their best to fix it with software. My device has been fixed in iOS 14.4, what about yours!

About this machine information (for reference only)

• Test device: iPhone 12 Pro Max
• System: iOS 14.5.1 official version
• Version number: 18E212
• Baseband: 1.62.11
• 5G signal: about two bars (depending on the region)
• 4G signal: about two bars (depending on the region)
• Operator version: Telecom 46.0

Next, share the running points data: (for reference only)

Test device: iPhone 12 Pro Max

Benchmark software: AnTuTu

• iOS 14.2.1 official version running score: 592261 points
• iOS 14.3 official version running score: 610478 points
• iOS 14.4 official version running score: 589103 points
• iOS 14.4.1 official version running score: 589103 points
• iOS 14.5 RC internal test score: 593278 points
• iOS 14.5 official version running score: 580429 points
• iOS 14.6 beta internal test score: 600135 points
• iOS 14.6 beta 2 internal test score: 595917 points
• iOS 14.5.1 official version running score: 573406 points

Regarding the Checkra1n jailbreak, I tested it on an iPhone 6S Plus device with iOS 14.5.1, and successfully jailbroken it using the checkra1n 0.12.3 tool.

If you have an iPhone X or below and want to boot the jailbreak for iOS 14.5.1, you can go to the "Fun Toolbox" applet, find the checkra1n tool version 0.12.3, then make a USB flash drive on your computer and boot the jailbreak.

Note! Although checkra1n currently supports iOS 14.5, you can jailbreak around the version. Open the Options option in the checkra1n tool and check the Allow option. If the A11 device needs to check the Skip A11 option, return to boot the jailbreak.

iOS 12.5.3 official version has been released

In the early morning of May 4, in addition to releasing the iOS 14.5.1 system, Apple also launched the iOS 12.5.3 system version for iPhone 5S to 6 devices. This version mainly fixes vulnerabilities and improves security.

It is not known what has been fixed, but if the jailbreak vulnerability has not been fixed, you can still use chimera 1.6.2 to jailbreak, and the official website has been updated to support iOS12.5.3.

However, when opening the chimera jailbreak tool, it still shows that it supports the 12.5.1 system. It seems that the author does not want to update the chimera jailbreak tool at all. He only modified the system version on the official website. After all, Apple has given up fixing the previous kernel vulnerability.

Who cares! As long as I can jailbreak the iOS 12.5.3 system, the success rate is low. I tried more than 10 times before the sileo jailbreak store appeared successfully.

If you want to jailbreak iOS 12.5.3, you can go to the "Fun Toolbox" applet and find the Chimera tool to install. However, the signature is currently lost, so it is recommended to sign and install it yourself on the computer Aisi Assistant.

That’s about it. By the way, are you looking forward to the iOS 14.4 to 14.5 jailbreak? Please comment.