Xiaomi phones is one of the best phone mi redmi 4 screen size 5 inches with resolution 720 by 1280 pixel per inch mi redmi 4 processor 1, 4 ghz octa-core qualcomm snapdragon 435 with 3 gb ram phone internal storage approx 32 gb expendable support up to 128 gb phone front camera 5 megapixel and primary camera 13 megapixel mi operating system 6.0.1 this mobile battery far to great 4100 mah non removable battery redmi phone dual support sim slot if you buy this phone made a good decision because 7000 have not much money from this phone .