For plans with device, any local internet usage exceeding the data allowance may be deducted from the consumable amount. Data roaming using Roam Surf 599 or regular roaming rates are not charged to your consumable allowance. They will be charged on top of your monthly recurring fee (MRF).
For line-only plans, ThePLATINUM All-Month Surf and unlimited data roaming are built-in services. Usage from these will not be deducted from the consumable allowance. Data roaming, such as Roam Surf 599 and other data roaming offers, will be charged on top of your consumable allowance. Data roaming - whether using Roam Surf 599, other Roam Surf variants, or zonal rates - will not be chargeable to your consumable allowance. These will be charged on top of your monthly recurring fee (MRF).