This phone is provide by reliance company which is gives jio welcome offer with this phone . In this phone jio welcome offer 1 year extra valid . This phone is best phone according to their price and feature because any other mobile phone is not give any phone in this price , so customer use free internet for one year 31 december 2017 . In this price this is best phone .I recommend that you are use this phone and use free internet for one year . But this phone creates some hitting problem because this provide many feature in small price .