FIRMWARE DETAILS

iOS 3.1

Build: 7C144Sep 9, 2009Restore IPSW

Stable

View details

Filename: iPhone1,2_3.1_7C144_Restore.ipsw
File size: 253.4 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: 2d063a6d34c0c5d694ad834f77281a0fcfa42a2e3d9979c619243583082549bb
SHA-1: 9b3b3c148170b012012278efda9ff5c38282d559
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3G iPhone1,2IPSW.me public API retrieval · Oct 20, 2026, 5:33 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: 7438ee7285dd87e15e22a8cd340d6e5c

AppleDBhttps://api.appledb.dev/ios/iPhone%20OS%3B7C144.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:55 PM UTC
Record fingerprint: ed0e83da7c70e98b2eef86c13ca8d99f