✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Upload Date | 18th November 2010 |
|---|---|
| Filename | iPod4,1_4.2.1_8C148_Restore.ipsw |
| Filesize | 638 MB |
| SHA256sum | 0abd3f18779d82349eda5ae6decbeaf2397f3cf8ac39cf740effa46f820bfc8d |
| MD5sum | 14d1508954532e91172f8704fd941a93 |
| SHA1sum | 6a890696126d0cb7f9ccd6b913ecb09cf2029820 |
| Identifier | iPod4,1 |