I don't have 2.1.1.12 sdk so here is rpm for 2.1.0.11. Be aware I don't have tablet to test it so if you don't know what to do with unbootable system then don't touch it.
[root@Sailfish Lipstick]# pkcon install-local lipstick-qt5-0.30.4-1.81.4.i486.rpm Fatal error: lipstick-qt5-tools-0.30.7.3-1.84.5.i486 requires lipstick-qt5 = 0.30.7.3-1.84.5, but this requirement cannot be provided
zypper info lipstick-qt5 Loading repository data... Reading installed packages... Information for package lipstick-qt5: Repository: jolla Name: lipstick-qt5 Version: 0.30.7.3-1.84.5 Arch: i486 Vendor: meego Installed: Yes Status: up-to-date Installed Size: 1.2 MiB Summary: QML toolkit for homescreen creation Description: A QML toolkit for homescreen creation