iOS 26.3.1 (23D8133) for iPhone 12 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 iPhone13,4_26.3.1_23D8133_Restore.ipsw

File Size 9.40 GB

MD5 79c71d025428904af13c0f318b902c96

SHA1 367da7f0788225d281b013f8fc7532fe1b76a61f

Device Information

Device iPhone 12 Pro Max

Identifier iPhone13,4

BoardConfig D54pAP

Platform t8101

CPID 33025

BDID 8