i got this sleek VIVO X3T which i have always loved for it sleekne,but now having difficulty btowsing with it,i use airtel ,and whenever i try using 3g,it doesnt indicate 3g even after turning it on. The lack of google play store is another problem for me,which means i wont be able to download from playstore,and no 3 is i still havent been able to log in to my facebook acc using facebook app,it loads and fail whenever i try， the only way to mange to browse is operamini which is not fast due to lack of 3g,and that is why i have come to seek hrlp from moble gurus on niaraland,pls what do i have to do to sought all these problems？

we using the same model...
I can't download any app, can't use adobe reader, I can't open any document, ppt, PDF, .....
I can use my FB mobile app though but I can't download twitter... I tried downloading the Vivo application store but each time I try accessing it, it refers me back to play store and displays a cascade " this app doesn't support your device"......

pls if you've got any solution. help me out