This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 12 January 2022 |
| Upload Date | 08 January 2022 |
| File Name | iPad_Spring_2019_15.2.1_19C63_Restore.ipsw |
| File Size | 5.55 GB |
| SHA256sum | b09cc8fcc47656d895dc907238c10e21bce46ae73069bdf6b1473a8769e81915 |
| MD5sum | 0218115dc8e072039078ab9d05573933 |
| SHA1sum | 61889d6299dc86249d55b2f132259d64f0925e0b |
| Identifier | iPad11,1 |
cd ~/Downloads.idevicerestore -e iPad_Spring_2019_15.2.1_19C63_Restore.ipsw and press Enter.