FIRMWARE DETAILS

iOS 4.3.3

Build: 8J2Not reportedRestore IPSW

Stable

View details

Filename: iPhone2,1_4.3.3_8J2_Restore.ipsw
File size: 440.5 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: 38ed94c64f09b2f655e6485e8d99d80e39deb05d041ed13149c8cff46d8473be
SHA-1: 027aaf90744076551a93a7f78e9aae2c740f3b40
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3GS iPhone2,1IPSW.me public API retrieval · Oct 20, 2026, 6:34 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/iPhone2%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 20725e3a5bd77d67f59b0f9cfa2cb41a