Ok now, I'm really considering to update via ssu...
devel-su ssu dr jolla ssu dr hotfixes ssu dr apps ssu ar jolla https://releases.jolla.com/releases/2.1.4.12/jolla/armv7hl/ ssu ar hotfixes https://releases.jolla.com/releases/2.1.4.12/hotfixes/armv7hl/ ssu ar apps https://releases.jolla.com/jolla-apps/2.1.4.12/armv7hl/ ssu ur