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Activate Your SIM Card Online

Giffgaff is a mobile telephone network running as a Mobile Virtual Network Operator (MVNO) using O2's British network. Owned by O2's owners Telefónica Uk Limited.

Once you’ve activated your SIM pop it into an unlocked phone and you’re ready to go.

To activate go to giffgaff.com/activate or click on the giffgaff activate button Activation Code – Enter the 6-character activation code printed on the Sim card. Please visit

User Registration giffgaff/activate  - Enter your email and choose a username and password to sign up as a user.The password must contain at least 8 characters, an upper/lower case letter and a number. Then giffgaff will send you an email confirmation. Once your registration is completed, giffgaff will assign you a random member name. Look at step 7 to replace your member name. Choose carefully and don’t regret later. You will not be able to change it after.

Choose your Monthly deal – Select the monthly plan that best suits your needs. You can cancel or change it every month.  To obtain the £5 extra credit, you must select a monthly plan equal or greater to £10. Don’t forget that when you join giffgaff your goodybag is automatically set to recurring.  Thus, means that when your current goodybag expires you get a new one right away with no interruptions.  However, you can turn your recurring goodybag off or on under “my payments” section.

  • Credit top-up - Monthly plans do not include premium or international calls, but you can add some credit to your balance in case the £5 free credit is not enough for you. We call it airtime credit and you can add it at any time. Visit the following link to know our international rates calling from the United Kingdom to any country in the world. Remember that this credit does not expire and you can use it later to purchase a goodybag.
  •     Payment details – Enter the bank card number, the name on card, the expiration date and the security code to make the payment. It is possible that your bank may ask you for a security password or PIN to confirm the payment.
  •     Confirmation – Your giffgaff SIM card will be activated immediately and will be ready to use once you see this message. Keep in mind that you can only change your member name once. Think carefully and do not regret later.
  •     Phone number - Go to my giffgaff to see your phone and check that your monthly plan is active (My goodybags) and that we have paid in the £5 extra credit (My Balance).
  •     APN Settings – In case the mobile data connection does not work, you will have to configure it manually.

    Your giffgaff SIM is activated - Congratulations! Your giffgaff SIM card is ready to be used.