iOS 26.3.1 (23D8133) for iPhone 17

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Firmware Information

Version 26.3.1

Build ID 23D8133

Release Date Mar 4, 2026

Upload Date Mar 1, 2026

Filename iPhone18,3_26.3.1_23D8133_Restore.ipsw

File Size 10.28 GB

MD5 ecd7b9eeaed22b9b04affcb18c07919c

SHA1 d5cdb6f44819fd1dd51d323d730cffcb4cc245d2

Device Information

Device iPhone 17

Identifier iPhone18,3

BoardConfig V57AP

Platform t8150

CPID 33104

BDID 8