Apple iPhone XR iOS 17.5 firmware
Apple iPhone XR
Not signed
iOS 17.5
Build 21F79 For iPhone11,8, N841AP
Global · IPSW
A newer version is available for this region: iOS 18.7.10
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
7.10 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone XR
- OS
- iOS 17.5
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.10 GB
- File name
iPhone11,8_17.5_21F79_Restore.ipsw- MD5
a3478995efdcb30970b62d0629691afc- SHA-1
6eb50b734d73dc8821e3c7815539184e2c3f5201- SHA-256
6b1946ad1f10e21007236eae34cd11009034b9d5c5c30068c5bf841fc8843b55
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: iPhone11,8, N841AP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file