I am using this phone for last 3 years
Advantages of this phone are
1.small size and light weight
2.does not get hang until you dont fill its memory more than enough
3.can support 2 sim and 1 sd card at same time
4.battery is of 1500 maH which get charged very fast
5.1 gb ram which is enough for a beginer smart phone user.
Disadvantages:
1.battery does not lasts long
2.small screen size
3.Camera quality is poor
4.parts are not get available easily
Suggestions: you can find much better product in this range