FIRMWARE DETAILS

iOS 3.1.2

Build: 7D11Oct 8, 2009Restore IPSW

Stable

View details

Filename: iPhone2,1_3.1.2_7D11_Restore.ipsw
File size: 321.0 MB
File type: Restore IPSW
Download host: secure-appldnld.apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 9cc27dab2eba25d15d3eb852244ae48d47b07eda28dee77a510c7b4f01850ea2
SHA-1: 6998bb7d9e869b2d89a08853312f9457d070fb1f
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3GS iPhone2,1IPSW.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

AppleDBhttps://api.appledb.dev/ios/iPhone%20OS%3B7D11.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:55 PM UTC
Record fingerprint: 7f30cc62cf5fa2640285dba1541bb630

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: 537242d3a206fa258a440d08fb783b1d