Apple iPhone 13 iOS 17.1 firmware
Apple iPhone 13
Not signed
iOS 17.1
Build 21B74 For iPhone14,5, D17AP, D17DEV
Global · IPSW
A newer version is available for this region: iOS 27.2 beta 4
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
7.23 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 13
- OS
- iOS 17.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.23 GB
- File name
iPhone14,5_17.1_21B74_Restore.ipsw- MD5
dcdd5c781cbeb628a3eb9891e6d71d87- SHA-1
e7946c1807aa6f84144a6bd1ac507f2c4ea7414a- SHA-256
2fcd49ad3fe17805c8fcdcd8a165f1621f5564c4b17935d6d124427dfa625ab6
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: iPhone14,5, D17AP, D17DEV. 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