Go to Settings > Touch ID & Passcode. On devices without Touch ID, go to Settings > Passcode: Tap Turn Passcode On. Enter a six-digit passcode. Or tap Passcode Options to switch to a four-digit numeric code, a custom numeric code, or a custom alphanumeric code. Enter your passcode again to confirm it and activate it.
Wales uses the same currency as the rest of the United Kingdom, the British Pound Sterling.
Sterling banknotes are official currency in the United Kingdom, Jersey, Guernsey, the Isle of Man, South Georgia and the South Sandwich Islands, and Tristan da Cunha in St Helena, Ascension and Tristan da Cunha. One pound is equivalent to 100 pence.