iOS 26.4.2 (23E261) for iPhone 17 Pro Max

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Firmware Information

Version 26.4.2

Build ID 23E261

Release Date Apr 22, 2026

Upload Date Apr 19, 2026

Filename 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