Activate my SIM

Before Activating your New SIM

Please remember to copy your contacts to avoid losing them from your phonebook. Please use these instructions to assist you in saving your details before activating your new SIM.

If you are moving from an old SIM to a new SIM, keep the old SIM in your phone until you receive your verification code.

Need to activate a new SIM card?

Please click on the ‘Start a Chat’ button
to Live chat with one of our advisors and they will
be able to activate your SIM card straight away

You will need:

numbers

Your new SIM card number

You can find your SIM card number
printed on the back of your new SIM
card, it starts with 8935302

Your mobile number

sims

Live chat agents are available between


- 08.30 to 22.00 Monday to Sunday

Post on the O2 online Forum

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