The Moto options G and E are great choices that will have a good update cycle and feel more like a solid mid teer device vs a bottom end that will never see a newer OS.
Equivalent to "60 one hundred" so 6k (6000) means 6000 yuan which is equivalent to 60 one hundred which is 6000 cheers for clearing that up
So anyways 6000 yuan is about £600 which tbh gives you a lot of choice of phones and many flagships from major vendors such as htc, samsung and lg, sony can be bought for that money.
Samsung Galaxy S6 ..Imho) The one drawback is the use interface and it`s complicated enought, also the bettery, but It`s the problem practically of all phones. Recommend this one)