iOS 26.5.1 (23F81) for iPhone 17 Pro Max

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Firmware Information

Version 26.5.1

Build ID 23F81

Release Date Jun 1, 2026

Upload Date May 28, 2026

Filename iPhone18,2_26.5.1_23F81_Restore.ipsw

File Size 10.53 GB

MD5 d13a91380ce32cb3177b94851af87d8c

SHA1 06a56a9f679a41e9625b712c695bb42d362f71d1

Device Information

Device iPhone 17 Pro Max

Identifier iPhone18,2

BoardConfig V54AP

Platform t8150

CPID 33104

BDID 14