iOS 26.4.2 (23E261) for iPhone 17 Pro

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Firmware Information

Version 26.4.2

Build ID 23E261

Release Date Apr 22, 2026

Upload Date Apr 19, 2026

Filename iPhone18,1_26.4.2_23E261_Restore.ipsw

File Size 10.54 GB

MD5 0a65c386ea523c7a5425b1832db86203

SHA1 7dba890d87a77a28f1170e45eb815a57213dca91

Device Information

Device iPhone 17 Pro

Identifier iPhone18,1

BoardConfig V53AP

Platform t8150

CPID 33104

BDID 12