How can I check my data allowance?

To find out your data allowance and how much you’ve used, check your plan details

My details

How do I change my name, title or date of birth?
What's my phone number?
How do I change my phone number?
I’m moving home – what do I need to do?
What is my contract end date?
How do I change my account login details or password?
How can I check my plan details?
Where can I find my account number?
How can I find out about my contract or plan?
How do I renew, pause or cancel my Pay as you go Plus plan?
How do I add someone to my account?
How can I check my data allowance?
Where can I find my Device Plan documents?
Why hasn’t my Pay as you go Plus plan Auto-Renewed?