Sorry I'm new to the subject.
I'm using the miui.eu stable rom: xiaomi.eu_multi_HMK40_POCOF3_V14.0.5.0.TKHCNXM_v14-13.zip, I'd like to try the weekly one, there are three questions: 1) why the Santander app doesn't work properly; 2) when I click on backup, on the screen I put a password it does...