Xiaomi very nice 4g mobile in 13 mp repair camera 5 mp front camera in 16 GB internal storage with OTG support 1280×720 display regulations 2gb ram very nice notification bar tongls mi4i first smart phones that xiaomi has launched ahead of all other markets.it support a 5 inch IPS screen runs on android 5.0 based custom miui skin and is powered by a 1.4 GHz octa core processor 2g, 3g, 4g, wifi, bluetooth 4 .0 and micro usb 2.0 concavities and 3120 may bettery volte not supported very nice rom pack steble and beta rom pack