You can now download iOS 26.6.2 and iPadOS 26.6.2 firmware for your iPhone and iPad, and if you’re wondering whether this one is worth installing right away, the short answer is yes. It fixes a bug that stopped some devices from downloading software updates over a cellular connection, and with iOS 27 expected within days, that’s not a bug you want sitting on your phone.

What’s new in iOS 26.6.2
Both updates carry build number 23G90, replacing 26.6.1’s build 23G83. According to Apple’s release notes, the fix is narrow: “This update fixes an issue that prevents downloading a software update over a cellular connection.” There’s no mention of security content on Apple’s usual security release page, so this looks like a pure bug fix rather than a patch for any vulnerabilities.
Apple pushed this out on September 8, just a day ahead of its iPhone 18 Pro event. That timing isn’t a coincidence. iOS 26.6.1 apparently had trouble letting devices grab updates over cellular, and Apple clearly wants that cleared up before iOS 27 lands so people aren’t stuck waiting for Wi-Fi to get the bigger release.
iOS 26.6.2 and iPadOS 26.6.2 build numbers
- iOS 26.6.2: build 23G90 (up from 26.6.1’s 23G83)
- iPadOS 26.6.2: build 23G90 (up from 26.6.1’s 23G83)
Same build number across both platforms, same fix, released on the same day.
How to download iOS 26.6.2 and iPadOS 26.6.2
The easiest route is over the air:
- Open Settings on your iPhone or iPad
- Go to General > Software Update
- Tap Download and Install
If you’d rather use a computer, plug your device into a Mac running macOS Catalina or later and update through Finder, or use iTunes on a PC or an older Mac. Either way, back up your device first. It only takes a few minutes and it’s the one step people skip and then regret.
If you need the standalone IPSW firmware file instead, Apple hosts these directly on its CDN and you’ll find direct links for your specific device model below. Manual installation through IPSW is mainly useful if you’re restoring a device or you’ve run into an OTA update that won’t complete.
iOS 26.6.2
- iPhone Air
- iPhone 17 Pro Max
- iPhone 17 Pro
- iPhone 17
- iPhone 17e
- iPhone 16 Pro Max
- iPhone 16 Pro
- iPhone 16 Plus
- iPhone 16
- iPhone 16e
- iPhone 15 Pro Max
- iPhone 15 Pro
- iPhone 15 Plus
- iPhone 15
- iPhone 14 Pro Max
- iPhone 14 Pro
- iPhone 14 Plus
- iPhone 14
- iPhone SE (3rd generation)
- iPhone 13
- iPhone 13 mini
- iPhone 13 Pro Max
- iPhone 13 Pro
- iPhone 12 Pro Max
- iPhone 12, iPhone 12 Pro
- iPhone 12 mini
- iPhone SE (2nd generation)
- iPhone 11 Pro, iPhone 11 Pro Max
- iPhone 11
iPadOS 26.6.2
- iPad Pro (M5)
- iPad Mini (7th generation)
- iPad Pro 11-inch (M4), iPad Pro 13-inch (M4)
- iPad (A16)
- iPad (A16)
- iPad Air 11-inch (M4), iPad Air 13-inch (M4)
- iPad Air 11-inch (M3)
- iPad Air 11-inch (M2), iPad Air 13-inch (M2)
- 11-in. iPad Pro (4th generation), 12.9-in. iPad Pro (6th generation)
- iPad Air (5th Generation)
- 10.2-in. iPad (10th generation)
- 11-in. iPad Pro (3rd generation), 12.9-in. iPad Pro (5th generation)
- iPad mini (6th generation)
- 10.2-in. iPad (9th generation)
- iPad Air (4th generation)
- 10.2-in. iPad (8th generation)
- iPad mini (5th generation), iPad Air (3rd generation)
- 11-in. iPad Pro (1st and 2nd generations), 12.9-in. iPad Pro (3rd and 4th generations)
Should you install it now?
Yes, especially if you’re planning to jump on iOS 27 as soon as it’s out. This is a small, targeted fix, not a feature update, so there’s nothing here that changes how your device looks or behaves day to day. But if the cellular download bug affects you and you’re away from Wi-Fi when iOS 27 drops, you’ll be glad you already have 26.6.2 installed.
If you’ve already installed the iOS 27 or iPadOS 27 beta, this update won’t show up for you. iOS 26 and iPadOS 26 will keep getting security updates for anyone who stays on them, so there’s no rush from a support standpoint. The rush here is purely about avoiding a headache next week.

