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You will need a credit card or debit card to pay for any one-off charges, such as the cost of your phone, SIM card or accessories.
If you purchase an item with a monthly (or recurrent) fee, you will be required to pay by Direct Debit for an Online Pay Monthly tariff ‘ so you’ll need your bank details.
Both Pay Monthly and Pay & Go customers will be asked for a valid email address to set up your online service.
You’ll also be subject to their terms, and a status and credit check.