If you are using the Jio phone, then there is a good chance that WhatsApp is installed. If you uninstall WhatsApp, then your phone will not be able to use the messaging service. To delete WhatsApp from your Jio phone, follow these steps:

  1. Open the Settings app and tap on the three lines that start with “JIO” in the top left corner of the screen.
  2. Scroll down and tap on “WhatsApp.”
  3. Tap on “Delete.”
  4. Tap on “Done.”