Apple iPhone 13 Pro Max iOS 17.3 beta IPSW firmware
Apple iPhone 13 Pro Max
Not signed
iOS 17.3 beta
Build 21D5026f For iPhone14,3, D64AP, D64DEV
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
7.30 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 13 Pro Max
- OS
- iOS 17.3 beta
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.30 GB
- File name
iPhone14,3_17.3_21D5026f_Restore.ipsw- SHA-1
ad129980474231c55ce0f24d05e436cdc1117daa- SHA-256
afdcb2002fc227e4a1582182429a50fef02139aebd103756161a6c98deb36138
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: iPhone14,3, D64AP, D64DEV. 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