Hi, i have in my mi5 the "xiaomi.eu_multi_MI5_V7.5.6.0.MAACNDE_v7-6.0" and i want to change it with "xiaomi.eu_multi_MI5_V8.2.2.0.NAACNEB_v8-7.0", is there any guide to do this? Because I heard that i must pass from android 6 to 7 and after all i can change rom. Thanks