If Customer not makes use of or intends to change Buyer's mobile phone quantity that has Beforehand been registered with BCA, then Purchaser need to delete or update these kinds of registered cellphone range.?? ???? ? ?? ?. ? ??? ? ?? ???? ?? ?? ??? ????? ?? ???? ? ?? ?? ?? ?? ?? ?? ?? ?? ? ??? ?????. ?? ?? ? ??? ??? ??? ?????.???? ??: ??? ???? ???