iPadOS 26.3.1 (23D8133) for iPad Air 4 (WiFi)

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Firmware Information

Version 26.3.1

Build ID 23D8133

Release Date Mar 4, 2026

Upload Date Mar 1, 2026

Filename iPad_Fall_2020_26.3.1_23D8133_Restore.ipsw

File Size 9.04 GB

MD5 36d0ca198932cbeb8c2f54ea0e439151

SHA1 08a97b49b0f4a7eff009567abb4d1b7dfd695600

Device Information

Device iPad Air 4 (WiFi)

Identifier iPad13,1

BoardConfig J307AP

Platform t8101

CPID 33025

BDID 4