It battery backup good if you use jio 4g service battery uses is high if u use wifi so battery backup is good and if u use only for calling so it battery is use upto 1.5 days so its depend on your usePLATFORMOSAndroid OS, v5.1 ( Lollipop) , upgradable to v6.0.1 ( Marshmallow) ChipsetQualcomm MSM8939 Snapdragon 615
Exynos 7580 OctaCPUOcta-core ( 4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 1.5 GHz Cortex-A53GPUAdreno 405
Mali-T720MP2.The smartphone jungle can be confusing, but the Samsung Galaxy J7 is surprisingly easy to decipher: J for affordable price and 7 for big screen. This is the lite version of the Galaxy A7, offering semi-premium features but confined to the midrange. Another way to look at it is as an E7 Plus.
