FIRMWARE DETAILS

iOS 3.1

Build: 7C144Sep 9, 2009Restore IPSW

Stable

View details

Filename: iPhone2,1_3.1_7C144_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: Not reported
SHA-1: 527c74f87588afa1d69c1e2c08eedc88f113013a
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3GS iPhone2,1IPSW.me public API retrieval · Oct 20, 2026, 4:31 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: bcd47eadc4b479781c05c88170316307

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