Internet, Wi-Fi and phone
Automatic data top-up
In short and in plain language
An automatic data top-up comes with some phone plans.
When your data is used up, it adds more. This usually costs extra.
Depending on the plan, you can turn it off.
Definition
An automatic data top-up is a setting in some mobile plans. When the data allowance is used up, it adds more data on its own, usually for a fee. Depending on the plan, it can be switched off.