Mi 3/4 MIUI Stable V6.3.9.0.KXDMIBL (Global) Changelog & Fastboot Download
Xiaomi Mi 3/4 Stable Version V6.3.9.0.KXDMIBL (Global) Changelog [System] · Fix - Sometimes could not log into Google accounts (02-15) Messages · Fix - Sometimes, international cloud message users could not recognize the other party (02-03)
