Apple iPhone 12 Pro iOS 17.1.1 firmware
Apple iPhone 12 Pro
Not signed
iOS 17.1.1
Build 21B91 For iPhone13,3, D53pAP
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
7.32 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 12 Pro
- OS
- iOS 17.1.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.32 GB
- File name
iPhone13,2,iPhone13,3_17.1.1_21B91_Restore.ipsw- MD5
64cd57a5f0af03174ce21b8427a25a1c- SHA-1
6853f357c457f49e614cb4695eac018eafa94e1e- SHA-256
86f640f34d4f6a02d35c903b44bcd85e08520532c9966cb910e14131bffa6e02
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: iPhone13,3, D53pAP. 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