Xiaomi red-mi 4 features a 5inch hd ips display with 2.5d curved edge glass and this seems to be the first time that xiaomi is using 2.5d glass on a redmi smartphone priced below rs 10000 there a non removable 4100mah battery which is the same capacity as the redmi 35s battery and is being prompted as one of this phones highlights I like this phone very much it was in my budget it is the cheap and best mobile