This shows the accumulated phone costs for the selected account. Important: If you have more than one account - beware, this is NOT the sum of the phone costs of all your accounts!
Dengys hwn gyfanswm y costau ffôn ar gyfer y cyfrif dewisiedig. Pwysig: Os oes gennych chi fwy nag un cyfrif - gofaler, NID cyfanswm costau ffôn eich cyfrifon i gyd ydi hyn!