no twrp

Hello, I want to install Xiaomi eu in my poco f3, this Is my second device installing the rom, i am currently in pixel experience and their Custom recovery (so no twrp or orange Fox, etc) i tried installing permanently twrp, but i got all sorts of errors when trying to install the rom, like...

Hi All, My Mi 4s was working fine, then last night the battery didn't charge fully (only to 44%) then today I rebooted the phone and it no long powers up. I can't get into TWRP or fast boot mode using the power + Vol up or power + Vol down. Anyone got any ideas that may help me please...