After the demise of Microsoft KIN series, its time for the Sidekick series to return to the grave. T-Mobile has decided to terminate the current Sidekick siblings. The Sidekick LX and Sidekick 2008 models will no longer will be available on store shelves or online.

"As T-Mobile looks to further innovate and raise the bar for the next generation of the T-Mobile Sidekick, as of July 2, the Sidekick LX and Sidekick 2008 will no longer be available through T-Mobile, including retail stores, care, telesales and online," the company said in a statement.

However, T-Mobile press statement clarified that the Sidekick brand is still 'alive' and current owners of Sidekick devices will continue to receive product support.

"While we work on the next chapter of our storied Sidekick franchise, T-Mobile will continue to provide our loyal Sidekick customers with product service and support," T-mobile said. "Stay tuned for exciting updates in the months ahead, which we expect will provide customers with a new and fresh experience.

Not much is know about Sidekick's future, but rumours are abound about T-Mobile intending to introduce Android charged Sidekick phones.

Sidekick was one of the firsts to combine a web browser, a large QWERTY slider, instant messaging, voice calls, email and a wide screen for browsing. Aimed at young customers, its had its own list of loyal fans despite the design not liked by many.

Its been hard for the Sidekick siblings to keep up with the current crop of smartphones. The final blow came last year when a massive outage hit Danger software causing data loss. Lawsuits were filed by consumers and Microsoft/T-Mobile were accused of negligence and false claims.