As Reliance jio is giving preview offer for some brands like Samsung, Micromax, HTC, Lenovo, Sony, Intex, Vivo, Lava, Panasonic, Gionee, Asus, Motorola, Xolo, Karbonn, LG, Infocus, Huawei, Videocon, Celkon, YU, Sansui, Alcatel & TCL
So people are downloading this app on a large scale and it worth a lot because you will get to use Unlimited 4G data with a Reliance Jio Sim Card
What you need to do is just downlaod the myjio application to your phone and select Get Jio Sim option then put your information then you will get a barcode generated then take a print out of it and attach a color passphoto and photocopy of Aadhar card and get your sim card with Mini Digital Xpress Store.