I am using micromax bolt.A089is the best phone I am using almost 1.8phone just or is very useful phone this phone is use may familey bro dad mom and all most all may parents are comentes best phone .an I am my all friends famiely member ar recomende to maicromax bolt A066 .so this phone is greate batery life and osome back camera is best an front camera all most greate and this phone is not hage.and. This phone is verey light weight and this phone is slime and this phone may is very fast so I recomented to buy this phone.