GTC | Sympheny

... services.  ​ ​ ​ ​ 4.1 Fee structure  ​ 4.2 Payment, upgrading and downgrading  Customers with a paying ... Customer will be charged the new rate on the next billing cycle. Downgrading of the Service may cause the ... according to the respective User Plan.  ​ 4.2 Payment, upgrading and downgrading  Customers with a paying ... Customer will be charged the new rate on the next billing cycle. Downgrading of the Service may cause the ...