Miui rom coz they are fast and much power saving roms net speed also fast, best ever design rom officially for there device but some developers create it for other devices like today honor 3c before i flash some lenovo which cant install apps in sd card and internal memory is to low for apps it work there reate sd card as internal app memory without deleting data... cam quality increase... data is fast, bluetooth, wifi and internet package move faster then ever i should say must try.
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