Hi ​@Torr.

Thanks for your post. Yes, you can link your son’s SIM‑only plan to your existing iD Mobile account.

Here are the steps to add an additional number to your account:

• On the Home screen, tap “View your plans” in the top right.
• Tap the “Add new plan” button.
• Enter the mobile number for the plan you wish to add (must begin with 07 and be 11 digits long).
• Enter the last name and date of birth of the account holder for that number, then tap “Next”.
• You’ll receive an SMS to the iD Mobile number you’re adding, containing an 8‑digit one‑time passcode.
• Enter the 8‑digit code into the boxes shown on the screen.

If you run into any issues, please contact our team directly via : https://www.idmobile.co.uk/live-chat.

Thanks,

Marquerita

The iD Mobile Team