customrom

I download EU rom for mi 10 pro cmi.I installed from twrp.after installing it not boot to logo.It automatically boot to recovery mode.how can I fix it.

hi guys, is anybody out there, got backed up rom images from smiu 7.5xx stable? My phone gets after swiching to miu 8 massive battery drain, thats why i wanna go back to one of the last smiui 7 stable, because they was very smooth, stable and batterysaving! sadly i got no backup from my smiui...