Hello friends now you are enjoy unlimited free calling, 4G data, sms but after 90 days you need to recharge your Jio number and then you will need of these Jio 4g USSD codes which are given below.
|Know my Jio Number||Dial *1# or use this method|
|Check 4G data usage||MBAL to 55333|
|Check prepaid balance & validity||sms BAL to 199|
|Know bill amount||sms BILL to 199|
|Check current tariff plan||sms MY PLAN to 199|
|Activate 4G data||Call 1925 or sms START to 1925|
|Check net balance||use MyJio app|