Latest buzz is that Jio's MNP services are going to be started in the first week of October. To switch on to Jio with your existing number, follow this procedure... Type port, give space and type your mobile number in the brackets and send to 1900. You will receive an eight digit unique porting code to your mobile. With that code, visit nearest reliance digital store or express mini store and fill the application form.
You have to submit pass port size photographs and other relevant documents to the Jio representatives. You will get Jio 4G sim card. Your present network will be disconnected. You can enjoy the Jio welcome offer after installing the sim. You will enjoy the features like free voice calls, unlimited sms, free access to Jio apps. After Welcome offer period, you can enjoy 1 GB 4G data for Rs 50.