At present, manufacturers of high-end smartphones are gradually upgrade to Android 6.0 Marshmallow, today Xiaomi users can also eat marshmallow.
Official Weibo announced that from now on, MIUI 7 development version gradually push upgrades, including Xiaomi Unicom 3W version, Xiaomi Telecom 3C version , Xiaomi Mi4, Xiaomi Note 4 standard version. According to different version permissions, user will receive notification with slightly different system version, may be someone is Android 6.0 MAR58K,
others may be Android 6.0.1 MMB29M.
Of course, the stability of development version will be slightly less, maybe there exist bugs, early adopters may wish to try it now, and the one who seek for safe need wait some while, and for stable or pre installed version of MIUI 7 must wait after the Spring Festival.