I bought a Nexus One for the full discount with the Even More 79.99 individual plan while having an existing Tmobile contract on my Sidekick LX. Both phones are under the same account, but with different plans, thus they are on two seperate lines.

My Sidekick LX contract originally ended on Septemver 2 . Though I signed up for a new two-year contract for the Nexus One, I was never told my original contract would be extended for my Sidekick. When that day comes, can I drop the Sidekick line without an ETF?