One-Click Safe
Downgrade to iOS 26
iOS 27 lagging, draining battery, or crashing?
Back up your data and downgrade to iOS 26 with a simple step-by-step guide.
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Real-time iOS Signing Status
Apple only allows downgrades to iOS versions that are currently signed. Once signing closes, that version can no longer be installed.
* Signing status is provided for reference only — the actual outcome depends on Apple's servers. Start as soon as you've finished the checklist to avoid missing the window.
Pre-Downgrade Checklist
Tick off all 6 items below to minimize the risk of data loss and failed downgrades.
Use iCloud or Finder/iTunes to keep your data safe
Settings → Apple ID → Find My Off
Downgrade takes 8–15 minutes; keep it plugged in
Required for IPSW firmware and temporary cache
Wired or 5GHz Wi-Fi recommended to prevent interruptions
You'll need to re-enter it after the downgrade
Top Pick: One-Click Downgrade with ReiBoot
No jailbreak, no command line, no hunting for IPSW files.
See how ReiBoot helps you back up your device and downgrade from iOS 27 to iOS 26, step by step.
4.5 / 5 12,400+ reviews
iOS system repair & one-click downgrade tool
Compatible with iOS 16 – 27 & iPhone 8 to iPhone 17 Pro Max
How it works — 4 steps
Read full guideAlternative Methods on iOS Downgrade
If you'd rather use Apple's official tools, or you're on the iOS 27 Beta, these two methods can also get the job done.
Medium: 20-40mins
- Official tools, free
- Works on any Mac/PC
- Manual IPSW download required
- Higher failure rate
- Wipes all device data
- Download the iOS 26 IPSW for your model from ipsw.me
- Put iPhone in recovery mode (Volume Up → Volume Down → hold Side button)
- In iTunes, hold Shift (Option on macOS) and click "Restore iPhone"
- Select the IPSW file and wait for the restore to finish
Medium: 20-40mins
- Uses official Apple tools (iTunes / Finder
- Reliably reverts to the latest signed public iOS
- Only available for beta users
- Wipes all data on your device
- Only restores the latest signed iOS version, not a specific one
- Make sure your Mac or PC is running the latest software
- Connect your iPhone/iPad to your computer and put it into Recovery Mode
- Click "Restore" to reinstall the latest public iOS
- Wait until the process is complete — this will wipe all data on your device
Both methods will erase your device data. We recommend backing up first — ReiBoot includes a built-in backup step to help you prepare.
Frequently Asked Questions
The 5 most common questions about downgrading from iOS 27.
You can check the signing status table on this page. If a version is marked as Signed, Apple is currently allowing installations of that version. If it is marked as Unsigned, downgrading to that version is no longer possible through Apple's official signing system.
The Finder/iTunes method requires manually downloading IPSW firmware files, entering Recovery Mode, and restoring the device. ReiBoot simplifies the process by automatically obtaining the correct firmware and guiding you through the downgrade with fewer manual steps.
No. Apple's official downgrade process requires a Mac or Windows PC, a USB cable, and Recovery Mode. Whether you use Finder, iTunes, or ReiBoot, a computer is required to reinstall an earlier iOS version.
The process typically takes 8–40 minutes depending on the method. ReiBoot usually completes in 8–15 minutes. The iTunes/Finder + IPSW method may take 20–40 minutes, depending on your internet speed and device model.
Yes, downgrading will erase all data on your device. We strongly recommend backing up your iPhone via iCloud or Finder/iTunes before you start. ReiBoot includes a built-in backup step to guide you through this.