Hi everybody,
I've decided to switch from 6.1.21 devel to 7.1 stable so I downloaded the
xiaomi.eu_multi_libra_V7.1.6.0.LXKCNCK_v7-5.1.zip ROM.
My Mi4c has TWRP V2.8.7.0 installed.
The question is: after backup, it's enough to wipe only cache and dalvik cache or it's necessary to wipe system...