FIRMWARE DETAILS

iOS 1.0

Build: 1A543aNot reportedRestore IPSW

Stable

View details

Filename: iPhone1,1_1.0_1A543a_Restore.ipsw
File size: 95.6 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: 468d8b10061642b32f79046d6266a775cb26f02879839d8d445bdec82085c51a
SHA-1: fb8bb3ee2e9a997affbb97868599f2995c78209c
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone iPhone1,1IPSW.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

IPSW.mehttps://api.ipsw.me/v4/device/iPhone1%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: a076b58c67bb4597fa0384187348caaa