Samsung galaxy j7 or sm j700f also known as j7 dual.currently avilable in indian market at 11000 INR.its a best phone in this category.following are some specification of j7-
BAND - 2G/3G/4G, LTE
SIM - DUAL SIM(micro) dual stand by
Display - 5.5 inch super amoled with multi touch
OS - Andriod 5.1, upgradable to 6.0.1
Processor - Snapdragon 615
Exynos 7580 Octacore
GPU - Mali t720
Memory - internal 16 gb
External 256 gb through card
Ram - 1.5 gb
CAMERA - Primary 13 MP, autofocus, LED flash
Secondary - 5 MP, LED flash
Bettry - li-ion 3000 mah
Other spec
Wifi hotspot, usb 2.0, HTML 5, 3.5 mm jack.face detection, panaroma.
So these are specification of j7 now some of pros and cons of this phone
PROS
1.best design
2.camera is awesome
3.speed is good and octacore processor is best in category
4.affordable prise
Cons.- 1.5 gb ram is not good enough.