Question: how to transfer vodafone postpaid to jio prepaid?
Answer: 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.
Walk in to nearest Jio Store or Jio Retailer with the UPC (Unique porting code)