iOS 26.5.1 (23F81) for iPhone 17
Not signed — cannot be installed
Download
Jailbreak compatibility
No jailbreak
There is no public jailbreak for iOS 26.5.1 on iPhone 17.
Tip: Beware of sites that charge for a jailbreak or ask you to install a profile. Real jailbreaks are always free and open source.
Share
Firmware information
Version
26.5.1
Build ID
23F81
Release date
Jun 1, 2026
Upload date
May 28, 2026
File name
iPhone18,3_26.5.1_23F81_Restore.ipsw
File size
10.57 GB
MD5
fcee02dd10a04b054682df645864b3db
SHA1
602258b77dabf46353051ab85edbc2263ca570e5
Device information
Device
iPhone 17
Identifier
iPhone18,3
BoardConfig
V57AP
Platform
t8150
CPID
33104
BDID
8