Porting your existing number to Jio is a simple and hassle-free process. To port in, SMS PORT <10-digit mobile number> to 1900 from your existing number which needs to be ported to Jio You will get an SMS that will contain the UPC code and its expiry date Here is a step-by-step guide on how to port your existing mobile number to Jio. You can port to Jio prepaid or postpaid, as per your preference. Just PORT your number to Jio, Airtel, or Vi and enjoy better service, network speed, and offers. In this blog post, we’ll guide you through the complete step-by-step SIM porting process for all major telecom operators in India— Jio, Airtel, and Vi —without any confusion.