Please enter one of your backup authentication codes now to confirm you’ve saved it. You’ll need a code to login if you don’t have access to your mobile device.
Rhowch un o'ch codau dilysu wrth gefn nawr i cadarnhau eich bod wedi ei gadw. Bydd angen cod arnoch i fewngofnodi os nad oes gennych fynediad i'ch dyfais symudol.