Apple Stops Signing iOS 18.2, Preventing Downgrading - MacRumorsOpen MenuShow RoundupsShow Forums menuVisit ForumsOpen Sidebar
Skip to Content

Apple Stops Signing iOS 18.2, Preventing Downgrading

by

Apple today stopped signing iOS 18.2, which means that iPhone users who have upgraded to iOS 18.2.1 can no longer downgrade to iOS 18.2. Apple released iOS 18.2.1 earlier in January.

Generic iOS 18
When new versions of iOS are released, Apple typically stops signing the prior version after a week or two. An update that is not signed is not able to be installed on an iPhone because there is a server-side software verification check.

By preventing downgrading to older versions of iOS, Apple ensures that users keep their devices up to date with the newest security improvements.

Apple's iOS 18.2.1 update included unspecified bug fixes, while the now-unsigned iOS 18.2 update that came out in December added Apple Intelligence features like Image Playground, Siri ChatGPT integration, and Genmoji.

Popular Stories

iPhone 18 Pro Deep Red Feature

iPhone 18 Pro Launching in Two Months With These 12 New Features

Friday July 17, 2026 10:39 am PDT by
It is now mid-July, and that means the iPhone 18 Pro and iPhone 18 Pro Max are now just two months away. The devices are expected to look similar to the iPhone 17 Pro and iPhone 17 Pro Max, but there will still be many year-over-year changes, with rumored features including a smaller Dynamic Island, 5G via satellite, and more. Apple is expected to unveil the iPhone 18 Pro, iPhone 18 Pro Max, ...
Read Full Article • 58 comments
iPhone 18 Pro and Pro Max Feature

'Apple Upgrade' Program Reportedly Launching Next Week

Tuesday July 21, 2026 8:30 am PDT by
Apple and Klarna are partnering on a new "Apple Upgrade" program set to launch in the U.S. on Tuesday, July 28, according to Bloomberg's Mark Gurman. The program will allow you to finance most iPhone, iPad, Mac, and Apple Watch models, with a 24-month term for iPhones and Apple Watches and a 36-month term for iPads and Macs. Customers will be able to pay off the device early during the term, ...
Read Full Article • 185 comments
iPhone 18 Pro Deep Red Feature

iPhone 18 Pro Launching in Two Months With These 12 New Features

Tuesday July 21, 2026 6:22 am PDT by
It is now mid-July, and that means the iPhone 18 Pro and iPhone 18 Pro Max are now just two months away. The devices are expected to look similar to the iPhone 17 Pro and iPhone 17 Pro Max, but there will still be many year-over-year changes, with rumored features including a smaller Dynamic Island, 5G via satellite, and more. Apple is expected to unveil the iPhone 18 Pro, iPhone 18 Pro Max, ...
Read Full Article

Top Rated Comments

klky Avatar
klky
20 months ago
I still haven't upgraded from 17.7 given the number of complaints people seem to have with iOS18 particularly the Photos App.
Score: 16 Votes (Like | Disagree)
Chungry Avatar
Chungry
20 months ago

Why would you want to, anyway?
When a point release of iOS 18 broke yubikey functionality I was locked out of my passwords and iCloud briefly. And because Apple stopped signing the previous version before I figured all this out it created a huge pain in my butt. And that's why I got rid of my personal 16 PM and got an S24 Ultra. I can't have some update flippantly borking my security. I still have my Macs, a work 16 PM and iPads. But this ruined it for my daily driver.
Score: 8 Votes (Like | Disagree)
R
ResolutionNZ
20 months ago

I still haven't upgraded from 17.7 given the number of complaints people seem to have with iOS18 particularly the Photos App.
iOS 18 runs ok on iPhone 13 with an A15 bionic, but is pretty slow on an SE 2020 with an A13 chip. I'd stick with 17.7 on older devices as there aren't that many advantages.
Score: 6 Votes (Like | Disagree)
winxmac Avatar
winxmac
20 months ago
iOS 18 is still unpolished, and I don't care about Apple Intelligence. I am currently using an iPhone 11 Pro Max and even if I have an iPhone 15 Pro or newer, I still won't use it.

I am still on iOS 17.7 because of the Photos app and other changes introduced since iOS 18.0 but articles like this are a good reminder when a certain version can no longer be used for upgrade/downgrade.
Score: 5 Votes (Like | Disagree)
P
Polinsky
20 months ago

I still haven't upgraded from 17.7 given the number of complaints people seem to have with iOS18 particularly the Photos App.
The key words being "complaints people seem to have". OS 18 works very well for me. And I much prefer the new Photos app over the previous versions.
Score: 4 Votes (Like | Disagree)
N
nStyle
20 months ago
Joke's on you Apple...I'm still on iOS 17 with no plans to upgrade. I think the Photos app is a real downgrade and I don't care about moving my icons around or the other pointless customization. Yeah I'm a real rebel I guess.
Score: 3 Votes (Like | Disagree)
Read All Comments