Samsung galaxy S3 is a very good mobile my sister is use this phone. This phone display size is 4.8 intch and sound quality is so good.This mobile processor is 1.4 ghz quad core processor and 1 gb ram and 2100 mah batrery.This mobile network is so good and videos quality is very good but this phone is not supported 4g lite but 3g network is so good.This mobile rear camera is 8 mp and front camera is 1.9 mp and expandable memory is 32 gb and operating system is ice cream sandwich but update is jelly bean.Thank you