This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 21 October 2015 |
| Upload Date | 16 October 2015 |
| File Name | iPad2,1_9.1_13B143_Restore.ipsw |
| File Size | 1.30 GB |
| SHA256sum | a14f8edcd4fb6784be071444ed142e2a45781dc88f04619794d2cb043b50e952 |
| MD5sum | 346b67d9ddbc6ef4180736ccfe755c00 |
| SHA1sum | 0830614506cc6db49fb1ba5d69cf4b310ea964fe |
| Identifier | iPad2,1 |
cd ~/Downloads.idevicerestore -e iPad2,1_9.1_13B143_Restore.ipsw and press Enter.