With My O2, you can manage your account online.

If you're a Pay Monthly customer, you'll be automatically registered.
If you're a Pay As You Go customer, you'll need to register using:

• your O2 mobile number
• an email address
• a secure password.

Once you've registered, if you’re a Pay Monthly customer, you'll be able to:

• see your tariff and bills
• check your allowances
• change your tariff or Bolt Ons
• make payments
• update your contact details
• view your device details

If you’re a Pay As You Go customer, you can:

• view your balance
• check your renewal date
• add Bolt Ons
• claim O2 Rewards
• update your contact details