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What you’ll need

  • Your old SIM card number
  • Your new SIM card number
  • Your Fido My Account login information


Note: Before you change your SIM card, make sure to save your contacts on your phone, since you won’t be able to access them from your old SIM card once you switch to the new card. Check your phone’s user guide (found on the manufacturer’s website) for information on how to transfer the contents of your current SIM card to your phone.


How to update your SIM card

  1. Log in to My Account.
  2. Click on View Usage and Manage next to the phone number in question.
  3. Select Update SIM Card under QUICK ACTIONS at the bottom of the page.
  4. Enter your old SIM card number in the required field.
  5. Enter the new SIM card number in the required field.
  6. Select Next.
  7. Double-check your info on the confirmation page and agree to the Terms and Conditions at the bottom of the page.
  8. Select Continue.
  9. Insert your new SIM card into your phone. Make sure to turn your device on and off to complete the process.


How can I find my SIM card number?

There are two ways:


  1. On your SIM card: Your SIM number is the 20-digit number on the front or back of the card that starts with 89302.
  2. On your phone: Your SIM number is the 20-digit ICCID number that starts with 89302.



  1. Go to Settings
  2. Tap General
  3. Tap About
  4. View the ICCID (that’s your SIM number)