If you have got a new Jio 4G SIM, you need to activate it before it can be used on your phone. Activating the Jio SIM is a simple process that you can do in the following steps quickly. Whether ...

Call Jio’s customer care number 199 and follow the instructions to block your Jio SIM card. You will have to share some information such as your full name, date of birth and father’s name to ...