This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 December 2017 |
| Upload Date | 10 December 2017 |
| File Name | iPad_64bit_11.2.1_15C153_Restore.ipsw |
| File Size | 2.34 GB |
| SHA256sum | 1a8e0a11f7052f4f7379efb976d1b2139a8bedf33d3b9a3f25fb19d430c3b551 |
| MD5sum | fed9a02455ecbba7c3702399a7d65222 |
| SHA1sum | 98008b7a930d13fac33bb97a7fdb62c308c61408 |
| Identifier | iPad4,4 |
cd ~/Downloads.idevicerestore -e iPad_64bit_11.2.1_15C153_Restore.ipsw and press Enter.