1. Login to your eServices Account  https://www.e.batelco.com/eservices/Login  -  Need help in login? 
  2. Click on My Services from the top menu
  3. Select the desired number from the Number Selector
  4. Go to the Get Add-ons Card
  5. Expand the required category
  6. Switch ON the Toggle of the required Add-on
  7. Click on Confirm