FIRMWARE DETAILS

iOS 4.2.1

Build: 8C148Not reportedRestore IPSW

Stable

View details

Filename: iPad1,1_4.2.1_8C148_Restore.ipsw
File size: 578.1 MB
File type: Restore IPSW
Download host: secure-appldnld.apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: 8417eeccd664a089a6b4a3b91cb7ec88753cc6f320a192bf38fb8c6ffe29665b
SHA-1: 8717b3bedc925b587566442ad375aa65d857e79a
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPad iPad1,1IPSW.me public API retrieval · Oct 20, 2026, 4:35 AM UTC

Unsigned

Signing 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/iPad1%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 7db8600742ed6c02658a89e6a3846628