How to get Reliance Jio 4G preview offer or coupon code for any mobile

Jio sim card is now available for many mobile phones. But MyJio app from play store is not giving coupon code. Here is the easiest and working method to get Jio sim coupon code.

1. Download MyJio 3.2.05 APK.
2. Install it.
3. Turn off mobile data/WiFi.
4. Open MyJio app.
5. Open MyJio option.
6. Close the app.
7. Turn on mobile data/WiFi.
8. Open MyJio app.
9. Open MyJio option.
10. Click Get sim option.