I am using this smart phone from last year.its is really really best phone . it has 3 gb of ram and midia tek prossesor.i never fill this phone is hanging. It heats some time only when we do high geaming.it has gret battry backup of 3300 mah battry. Now its support volte and 4g bands.its really great phone with price of 11, 000 and lenovo branded.its with dual front firing speaker and dolby atmos.such a great sound quality and high volume.it also support vr glass.with5.5 1080p full hd display.