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