Best phone becose a verry low price and smart feature.
Xiomi red mi not 4 specification detail this phone at a big battery backup 4100mAh lithium polymer battery 13 mega pixel primary camera with 4 element lance a nature images good quality video recording with flace light and 5 mega pixel front camera or most important feature this phone red mi not 4 a fingerprint sensor full secure. operating system upgrade phone marsmello version upgrade to nogat and 2.0GHZ Qualcomm snap dragon 625 octa core processor. this phone supported OTG cable and connect other hardware example USB drive, pan drive, chip reader, keyboard, mouse etc.