The main advantage is its cheap price and anyone can afford it.it comes with win 8.1 and is upgradable to win 10.It is an american brand company whose os is liscenced by microsoft
it has the ram of 512 mb whic runs flawlwss. and has the battery lyf of 720 hrs.
along it aslo supports the dual sim mode and also provides the feature of the 4g-LTE
it has talktime of 16 hrs in LTE n 23hrs in 2G
I heartly suggest to use it.
Disadvantage is that its camera is very bad