If you have zero download allowance or your
access period is over, you are not allowed to
download files. Topping up a device account
increases the download allowance by the
specified amount and extends the expiration
date by the specified period.
Once the device account is topped up, the
top-up amount is not transferred when the
device is sold. It stays with the former
device owner. The sale transfers only the
free download allowance remaining from the
A device account can be topped up only if the
device is registered.