iPhone 6 iOS 12.5.5 Software Update, Release Date, Problems, Jailbreak

GSM-Abinash March 20, 2022

0 2,277 6 minutes read

Apple saw fit to release iPhone 6 iOS 12.5.5 and iPadOS 12.5.5 “iPSW Firmware” 23rd September 2021 to the general public with a boatload of bug fixes and performance enhancements. You can iPSW iPhone 6 iOS 12.5.5 firmware Download build number (16H62) and iPadOS 12.5.5 to your iPhone and iPad flashing right now. Scroll down to read more details about the iOS 12.5.5 jailbreak updates.

Apple has decided to release iPSW iOS 12.5.5 and iPadOS 12.5.5 with major upgrades today. According to the company, the new update brings security fixes and bug fixes affecting Braille displays. You can download the latest updates to your iPhone and iPad with the Settings app. All you have to do is go to Settings> General> Software Update. Apple release notes say:

Table of Contents

iPhone 6 iOS 12.5.5 Release Date & Bugs

Apple Releases iOS 12.5.5 and iPadOS 12.5.5 firmware On Compatible iPhone and iPad Models With Bigger Bug fixes;

23rd September 2021: Apple releases iPhone 6 iOS 12.5.5 (iPSW, Firmware)
Apple recently released iOS 12.5.5. The output is very small, as it includes bug fixes.

iPhone 6 iOS 12.5.5 & iPadOS 12.5.5 Release Notes

Apple’s Apple 12.5.5 update can have a huge impact on the performance of your iPhone. While some users should install the software right now, others prefer to wait a few hours or maybe a few days before moving away from the old iOS software.

Update your apps to use new features, and test your apps against API changes.

Overview

The iPhone 6 iOS 12.5.5 & iPadOS 12.5.5 SDK provides support to develop apps for iPhone, iPad, and iPod touch devices running iOS & iPadOS 12.5.5. The SDK comes bundled with Xcode 13.3 RC, available from Beta Software Downloads. For information on the compatibility requirements for Xcode 13.3, see Xcode 13.3 Beta 2 Release Notes.

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About the security content of iOS 12.5.5

This document describes the security content of iOS 12.5.5.

About Apple security updates

For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

iOS 12.5.5

Released September 23, 2021

CoreGraphics

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: An integer overflow was addressed with improved input validation.

CVE-2021-30860: The Citizen Lab

WebKit

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: A use after free issue was addressed with improved memory management.

CVE-2021-30858: an anonymous researcher

XNU

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

Impact: A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: A type confusion issue was addressed with improved state handling.

CVE-2021-30869: Erye Hernandez of Google Threat Analysis Group, Clément Lecigne of Google Threat Analysis Group, and Ian Beer of Google Project Zero

iPhone 6 iOS 12.5.5 Software Update & iPSW Download

iPhone 6 iOS 12.5.5 Software Update, Release Date, Problems, Jailbreak

The latest update focuses on the performance of your iPhone and iPad. We’ll share more details with you as soon as the developers have finished processing the latest architecture. If you are looking to clean up the latest iOS 12.5.5 Apple and iPadOS 12.5.5 on your iPhones and iPads, download the iPSW links added to the post below.

Signed iPSW files can be restored via iTunes. Unsigned iPSWs cannot currently be restored via iTunes.

iOS 12.5.5 (16H62) for iPhone 6

This firmware is signed. This means that you can restore to it in iTunes:

Release Date: 23rd September 2021
Upload Date: 20th September 2021
Filename: iPhone_4.7_12.5.5_16H62_Restore.ipsw
Filesize: 3.04 GB
SHA256sum: 7b992fcf42d31f5a8aa95e89837e4bcf28ec63ee77f5bc38b8e7d0f0abc1961f
MD5sum: e6ebfdffe5c823b1528f66727f9b435e
SHA1sum: 215fe075fa1c21967d6631ccd2318972cc64b8a4
Identifier: iPhone7,2
Download: Here

iOS 12.5.5 Problems

The iOS 12.5.5 update is already causing problems for some iPhone 12 and iPhone 13. users. Some problems are brand new, others have taken iOS 12.5.5 or iPadOS 12.5.5 and older versions of iOS 12.

The current list of issues includes installation issues, problems with first-party applications and third-party applications, UI delays, Exchange issues, problems with Touch ID and Face ID, and unusual battery drain.

If you are experiencing an issue in iOS 12.5.5, check out our list of most common iOS 12. troubleshooting tips.

Apple is currently signing up for iOS 12.5.5 which means you can undo your iPhone software back to the previous version of iOS 12 if iOS 12.5.5 starts causing problems.

You can’t go down to anything older than iOS 12.5.5. Keep this in mind if you have good experience in iOS 12.5.5 or higher. Once you have migrated to iOS 12.5.5, you will not be able to go back.

To find out more about the downgrade process, see our guide.

iOS 12.5.5 Jailbreak

Teams of developers following the Checkra1n and UnC0ver prison tools have released versions that are compatible with the latest versions of iOS 14, but only Checkra1n is compatible with iOS 14.5.

Unfortunately, the tools not supported: iOS 15.4, iOS 15.3.1, iOS 15.3, iOS 15.2.1, iOS 15.2, iOS 15.1.1, iOS 15.1, iOS 15.0.2, iOS 15.0.1, iOS 15.0, currently.

Now the tools supported: iOS 14.8, iOS 14.7.1, iOS 14.7, iOS 14.6, or iOS 14.5.1, iOS 13, iOS 12.5.5 currently.

The latest version of unC0ver is compatible with new iPhones including the iPhone 12 series. This is great news if you were expecting to hack your new phone. Unfortunately it only comes with versions that come with iOS 14.3.

There is no way to download your phone software to iOS 14.5 or older versions of iOS which means you are out of luck if you upgrade, or upgrade to the new iOS software.

How to iPhone 6 iOS 12.5.5 iPSW firmware update using Software Update on your iPhone

While some users should install the software right now, others prefer to wait a few hours or maybe a few days before moving away from the old iOS software.

The easiest way for more people to download iPhone 6 iOS 12.5.5 is online, right on their device. It’s fast, it works, and it’s easy to do.

Make sure you have the latest iCloud backup.
Launch Settings on your Home screen.
Tap General.
Tap on Software Update.
Tap Download and Install.
Enter your passcode, when prompted.
Tap Agree to Terms and Conditions.
Tap I agree again to confirm.

Download will start automatically. If the download does not start immediately, you may see a notification: “Preparing for download.” Give it a few minutes and the download will begin soon.

How to Install iPhone 6 iOS 12.5.5 firmware update using your Mac or Windows

If you have limited space on your device or software & firmware update iPhone 6 iOS 12.5.5 are not working for any reason, you can update using your Mac.

Here’s some steps to update your iPhone 6 on latest iOS 12.5.5, You can follow steps by steps:

Make sure you have a copy of the latest archive.
Make it encrypted so that all your passwords and other private information are stored.
Connect your iPhone or iPod touch using your USB to a power supply or USB to a 30-pin Dock cable.
Under Finder, click the device icon at the top left to go to the device tab.
Click Check for Update in the Summary window.
Click Download and Update
Comply with the Terms and Conditions.
Enter Password on your iPhone or iPod touch, when prompted.

Apple recently released iPSW iPhone 6 iOS 12.5.5 after having a release candidate for developers and testers of the public beta last week.

You can install the public version of this iOS update over the beta version if your device is still using that version. Here is an indication of how you can update from iOS beta to official release.