FIRMWARE DETAILS

iOS 4.0.1

Build: 8A306Not reportedRestore IPSW

Stable

View details

Filename: iPhone2,1_4.0.1_8A306_Restore.ipsw
File size: 396.3 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: 38b0efbc21063588156ed555c12bba46aee2795781b3269a952fd456009526f8
SHA-1: c2b6fb9a158547ce726baa1bf8f0558a71518fec
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3GS iPhone2,1IPSW.me public API retrieval · Oct 23, 2026, 2:39 PM 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/iPhone2%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 3820408171a41190d8eaff200c06a3d4