iOS 26.4.2 (23E261) for iPhone 17 Pro Max
Not signed — cannot be installed
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Jailbreak compatibility
No jailbreak
There is no public jailbreak for iOS 26.4.2 on iPhone 17 Pro Max.
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
26.4.2
Build ID
23E261
Release date
Apr 22, 2026
Upload date
Apr 19, 2026
File name
iPhone18,2_26.4.2_23E261_Restore.ipsw
File size
10.53 GB
MD5
565620a9c5063ec0bad57f448f7ca95e
SHA1
71a0b7cecaffb4d870de77f4318e4c33674c476f
Device information
Device
iPhone 17 Pro Max
Identifier
iPhone18,2
BoardConfig
V54AP
Platform
t8150
CPID
33104
BDID
14