The line was reviewed in 1984, 1993 and 2006-07 to consider either closing or upgrading it, without any significant changes being made.

We don't upgrade without charge, unless we really do something awful.

It is available to all that wish to upgrade without applications changes.

A week later I was able to upgrade without worry (or problems).

The ability to upgrade technology without the struggle for budgetary approval has been liberating.

If you can upgrade the firmware without the user's consent, that is a *huge* deal.

Upon Holladay's return he attempted to upgrade the line without success.

Fortunately, you're free to upgrade or downgrade your cellphone plan at any time, without charge.

It will also be able to support users wanting to upgrade to Windows 8 without any problems.

Most services allow you to upgrade a plan without an added one-time charge.