Download iPadOS 17.5.1 (21F90) for iPad Pro 11-inch (M4)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPad16,3
iPadOS Version 17.5.1
Release Date 2024-05-20
Update Date 2024-05-17
Sha1sum
8245ee87ccf3ea56454b1f1de454757563cbaf5f
Sha256sum
e7457772143bbede6c624309a53490b33ec846c4e876a1662f46d0d5bfb214bd
md5sum
4728e0cc1b52cfe5e9c90f78c98af1ee
Size 7.55 GB
FileName
iPad16,3,iPad16,4,iPad16,5,iPad16,6_17.5.1_21F90_Restore.ipsw
Status

Download IPSW (7.55GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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Apple Podcasts

This update also includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222