iOS 26.5.1 (23F81) for iPhone 17 Pro

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Firmware Information

Version 26.5.1

Build ID 23F81

Release Date Jun 1, 2026

Upload Date May 28, 2026

Filename iPhone18,1_26.5.1_23F81_Restore.ipsw

File Size 10.54 GB

MD5 41c333f20929fc03bd6de968a03a6d03

SHA1 ae3500d9b177a3712328c29b9b070ba4421a9f1c

Device Information

Device iPhone 17 Pro

Identifier iPhone18,1

BoardConfig V53AP

Platform t8150

CPID 33104

BDID 12