FIRMWARE DETAILS

iOS 4.3.4

Build: 8K2Not reportedRestore IPSW

Stable

View details

Filename: iPhone2,1_4.3.4_8K2_Restore.ipsw
File size: 440.6 MB
File type: Restore IPSW
Download host: secure-appldnld.apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: f516f1b5ac2111ca8b81ffa6e9b3867d74cf28c84100a2cf3baea0842a31b1cb
SHA-1: be06903d55dc13d8948ae4cfa619a277df4d4e5b
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 3GS iPhone2,1IPSW.me public API retrieval · Oct 20, 2026, 6:34 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: c01b7d87f20c02549e34d25596bba354