1) Search for or google my jio app version 3.2.05 & install it.2) Open it and Install all the jio app given in my jio using any data mobile or wifi3) Restart your device.4) Turn off your data and open my jio app. Don’t mind as it will show no data connection.5) Press open link given at the right side MyJio.6) You will see GET JIO SIM option7) Press home button of your device and uninstall all jio app but don’t uninstall my jio.8) Switch on your JIO LTE 4G internet and open my jio.9) Press sign in. (If you don’t have sign up for the same)10) Sign in and wait for few moment. A pop up will come out asking you to press submit to install 4 jio apps – play, demand, beats and money.11) Press submit and it will automatically take you to play store where one after another you have to install the four app. Be careful not to disturb this process. you just have to press install and ok button.12) As soon as you sucessfully install the apps your limited will get converted to 90 days preview offer.
I have done it on my asus zenfone selfie