Jio, the best facility provide by reliance communication. I purchased jio from reliance store on 4th september 2k16. It give proper high singal strength. The best thing is that reliance give WELCOME offer in welcome offer you get free 4g 4gb data per day till 31st december and free sms, call, video calling. You did not have to pay anything but you just have 4g handset in which you get these offer and now from 1st jan 2k17 new offer comes from Reliance( HAPPY NEW YEAR) offer that give u 1gb 4g data per day. The voice quality was very high and clear and you get all of it just free. so guzz go and purcahse jio and be the member of jio.