Hi I have been using this mobile xiaomi redmi 3s prime for more than 1year I have no problem at all its very fast 3gb ram 32gb inbuilt memory dual simcard good camera quality and its finger touch sensor with front and back camera with flash it doesn hang or neither no heat sync problem im using two simcarxs vodafone and jio both network works perfectly only draw back is if you use two simcards you cant use memory card and sound is very low other than that its very fadt I have installed many apps and games and music, pictures, videos loaded I have no problem at all price is also very low will fully loaded features I would recomend all to go for xiaomi redmi 3sprime