If you thought the 6GB of RAM in the OnePlus 3 was overkill you might want to sit down, as it looks like an upcoming handset from Xiaomi could have 8GB.The Mi Note 2, as it's believed to be called, has popped up in a screenshot on MyDrivers, spotted by GSMArena, with 8GB of RAM, 256GB of storage, a 2.6GHz Snapdragon 821 processor and Android Nougat,...