FIRMWARE DETAILS
iPadOS 17.5.1
Build:
21F90May 20, 2024Restore IPSWStable
View details
- Filename
iPad16,3,iPad16,4,iPad16,5,iPad16,6_17.5.1_21F90_Restore.ipsw- File size
- 8.11 GB
- File type
- Restore IPSW
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source did not report availability
- Last link check
- Not checked
- SHA-256
e7457772143bbede6c624309a53490b33ec846c4e876a1662f46d0d5bfb214bd- SHA-1
8245ee87ccf3ea56454b1f1de454757563cbaf5f- Required starting builds
Not reported- Board restrictions
Not reported
Compatible hardware (4)
iPad Pro 11-inch (M4) Wi-Fi
UnknowniPad16,3IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad Pro 11-inch (M4) Wi-Fi + Cellular
UnknowniPad16,4IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad Pro 13-inch (M4) Wi-Fi
UnknowniPad16,5IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad Pro 13-inch (M4) Wi-Fi + Cellular
UnknowniPad16,6IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCSigning is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.
Source provenance
IPSW.mehttps://api.ipsw.me/v4/device/iPad16%2C3?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: cbaa3329e65b527e45c700a593524627
IPSW.mehttps://api.ipsw.me/v4/device/iPad16%2C5?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 8f00c5a1861b2bfc2e28dd2de6d7a75a
IPSW.mehttps://api.ipsw.me/v4/device/iPad16%2C6?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: e2cd11c8d4c4c93e2073ff2a12c94cc5
IPSW.mehttps://api.ipsw.me/v4/device/iPad16%2C4?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: efbd760e006529041c91f49b58a37162