Xiaomi has already released MIUI 6.5.5.0 for the new Mi 4i smartphone, the OTA update will start rolling out May 26th according to Hugo Barra , Xiaomi vice president.The new MIUI 6.5.5.0 features a ton of changes and improvements with one of the biggest changes being the fix to the overheating issue, as Hugo Barra explains:
"We've heard from some Mi…