FIRMWARE DETAILS
iPadOS 17.1.1
Build:
21B91Nov 8, 2023Restore IPSWStable
View details
- Filename
iPad_Spring_2019_17.1.1_21B91_Restore.ipsw- File size
- 7.41 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
e9a52205391f9ac61531d1c7689cf90608abd816a0255675b17f2af086b60456- SHA-1
a0517f00bd79f34953a8126af863bbd8ff1a2145- Required starting builds
Not reported- Board restrictions
Not reported
Compatible hardware (4)
iPad Air (3rd generation) Wi-Fi
UnknowniPad11,3IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad Air (3rd generation) Wi-Fi + Cellular
UnknowniPad11,4IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad mini (5th generation) Wi-Fi
UnknowniPad11,1IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTCiPad mini (5th generation) Wi-Fi + Cellular
UnknowniPad11,2IPSW.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/iPad11%2C3?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: c20a1018cdaf397d85aa4789169b278e
IPSW.mehttps://api.ipsw.me/v4/device/iPad11%2C4?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 06642655e8d6c4efc36e474755ea7b38
IPSW.mehttps://api.ipsw.me/v4/device/iPad11%2C1?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 264f3ee05bf21e447edc7e40b933c06a
IPSW.mehttps://api.ipsw.me/v4/device/iPad11%2C2?type=ipsw ↗
Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: e8aa5ece0cce117020095aa6719d54a1