Very very bad phone.I buy it june 2016 but now 13/09/2017 it is not charging.It charges very slowly and when I switch on phone it is shutting down within 5 minutes even chargingcontinue.VOLTE is inbuilt in it no process required.My phone micromax canvas evok 483.It is LTE but I want it volte.But the design is beautiful and in this price range it is a great smart phone.