FIRMWARE DETAILS

iOS 3.1.2

Build: 7D11Oct 8, 2009Restore IPSW

Stable

View details

Filename: iPhone1,2_3.1.2_7D11_Restore.ipsw
File size: 253.3 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: cc0629c118016709228c54c450d86f4d2352377f12ab3da7097f90564916a2e9
SHA-1: b1a6ab2771bb5da372ba75a8fa3e1d72b71359d0
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3G iPhone1,2IPSW.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/iPhone1%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: d2aea19445efffe34be1ffb38aa7b96b