These could be upgraded, for example from a 2400 to a 2400T.

Everyone will be able to upgrade, for sure, no charge.

I don't plan on upgrading my phone for at least another year, if not 2 or more.

Over the time the line was also upgraded for higher safety.

She was upgraded to a series regular for the second season.

She was upgraded to a series regular for season 4.

You said an important thing, which is don't upgrade to Vista for security.

As on most of the services here, some limitations go away if you upgrade your account for $25 a year.

In 2011, Chair 5 was chosen to be upgraded for the 2011-2012 season.

The school has its own Web page and is being upgraded for expanded computer programs.