1.0 Firmware Download
1.0 firmware download — compatible with 1 devices, released Unknown, build 1A543a. Download links direct to Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. This version is no longer signed, for downgrade reference only.
iPhone (1)
1 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPhone 2G | iPhone1,1 | 1A543a | 91 MB | Unsigned | Details → |