iOS 26.3.1 (23D8133) for iPhone 17 Pro Max

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Firmware Information

Version 26.3.1

Build ID 23D8133

Release Date Mar 4, 2026

Upload Date Mar 1, 2026

Filename iPhone18,2_26.3.1_23D8133_Restore.ipsw

File Size 10.24 GB

MD5 d76258a3cd8740f668815cf4b89a9970

SHA1 91e56c4620ec6f1a878cc7dc68157a96a21a1fe0

Device Information

Device iPhone 17 Pro Max

Identifier iPhone18,2

BoardConfig V54AP

Platform t8150

CPID 33104

BDID 14