For BT customers onlyWhat happens if the extra option changes during the month?If you benefit from an extra option and during the month you decide to replace it with another one, it will take effect the following month. 🙂Latest update2022-08-24Was your answer helpful? 0 How can we improve the answer?Sorry this answer was not helpful to you. Help us improve it0/500Send feedback 0 TagsUnlimited PJ