FIRMWARE DETAILS

iOS 3.1.3

Build: 7E18Feb 2, 2010Restore IPSW

Stable

View details

Filename: iPhone1,2_3.1.3_7E18_Restore.ipsw
File size: 239.1 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: 31eb8734ddf0a86d21a850e437028b902f2f085c81ccf3dd39471f1596438cf3
SHA-1: f5950afca546f93e281ba3cdb08bc0cfed7f0896
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3G iPhone1,2IPSW.me public API retrieval · Oct 20, 2026, 1:21 PM 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%3B7E18.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:55 PM UTC
Record fingerprint: 7ffb90fb6e083150966e5dbfd1d513c0

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: 7862718cb29d4530ed2969adcfb60b28