iOS 26.4.2 (23E261) for iPhone Air

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Firmware Information

Version 26.4.2

Build ID 23E261

Release Date Apr 22, 2026

Upload Date Apr 19, 2026

Filename iPhone18,4_26.4.2_23E261_Restore.ipsw

File Size 10.28 GB

MD5 1103bc754f9cb985c277bcfb0d44bb71

SHA1 d7c5f9814f1dafea2677b725a4b656ba2dfb7773

Device Information

Device iPhone Air

Identifier iPhone18,4

BoardConfig D23AP

Platform t8150

CPID 33104

BDID 10