This new samsung j7 is a really powerful device.
Screen resolution is 720p sAMOLED( display is crisp and bright enough)
Full HD display.
Battery is 3300mAh after full charge 30 hours backup Using calling, whatsapp, facebook & instagram.
Touch very responsive and fluid smoth
Voice clearity good on call and loud for music
Super fast internet 4G support
No heating issues with game like assphalt 8 and GTA sen adhress, and support hight graphic game
camera rear and front are pretty good, Shoots beautiful pictures quality is excellent
Octa core processor exynos 7870 chipset makes it super cool fast
Very good camera
Front flash for you selfie experts
Light weight, thin and super fast
Good after sales services by samsung
Overall verdict: Good phone and best brand