iOS 26.5.1 (23F81) for iPhone 17 Pro
Not signed — cannot be installed
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Jailbreak compatibility
No jailbreak
There is no public jailbreak for iOS 26.5.1 on iPhone 17 Pro.
Tip: Beware of sites that charge for a jailbreak or ask you to install a profile. Real jailbreaks are always free and open source.
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Firmware information
Version
26.5.1
Build ID
23F81
Release date
Jun 1, 2026
Upload date
May 28, 2026
File name
iPhone18,1_26.5.1_23F81_Restore.ipsw
File size
10.54 GB
MD5
41c333f20929fc03bd6de968a03a6d03
SHA1
ae3500d9b177a3712328c29b9b070ba4421a9f1c
Device information
Device
iPhone 17 Pro
Identifier
iPhone18,1
BoardConfig
V53AP
Platform
t8150
CPID
33104
BDID
12