FIRMWARE DETAILS

iOS 4.0.1

Build: 8A306Not reportedRestore IPSW

Stable

View details

Filename: iPhone1,2_4.0.1_8A306_Restore.ipsw
File size: 320.2 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: 6d3f2c695229d03b4fe9297c681ffb509eaf5f1d4a316af893d15f674f330a52
SHA-1: 940bd2b36c646f6673419eab661ac1f13248e592
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3G iPhone1,2IPSW.me public API retrieval · Oct 21, 2026, 9:56 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/iPhone1%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 43ccfb8ee7bf09bc664db11ea1637178