T-Mobile to shut down Sidekick data service May 31 T-Mobile Sidekick owners: it's time to shop around for a new device. Don't show this again. The carrier said it will provide special offers on devices to Sidekick owners but didn't provide any specifics at this time. Discuss: T-Mobile to shut down Sidekick data service May 31 Sign in to comment Be respectful, keep it civil and stay on topic.{/INSERTKEYS}{/PARAGRAPH} The first T-Mobile Sidekick aka Danger Hiptop debuted in with a xpixel-resolution, 4-bit monochrome screen. More information is expected in the coming weeks. Discussion threads can be closed at any time at our discretion. T-Mobile announced this evening that it will discontinue its Danger data service to all Sidekick models starting May 31, At that time, you will no longer be able to access data stored on Danger's cloud-based service, including contacts and photos. {PARAGRAPH}{INSERTKEYS}T-Mobile Sidekick owners: it's time to shop around for a new device. We delete comments that violate our policy , which we encourage you to read. If you're one of the affected users, the first thing you'll want to do is get all of your personal data from the Danger service. T-Mobile told CNET in a phone interview that the decision to shut off service was made jointly by Microsoft and Danger as a reflection that older devices must be replaced with newer ones. The carrier added that it was a natural evolution as the market transitions to new operating systems. You can then bring that card to a T-Mobile store and have a representative transfer the information onto your new phone. Be respectful, keep it civil and stay on topic. T-Mobile Sidekick retrospective photos See all photos. The first is through MyT-Mobile. The second method is to use the data transfer application, which is available from the Sidekick app catalog, and export all your data onto the Sidekick's memory card. Bonnie Cha. T-Mobile will begin sending out letters to current Sidekick owners tomorrow to alert them to the change and provide information about transferring data and transitioning to a new device. T-Mobile provides a couple of ways to do this. Old phones can be returned to T-Mobile for recycling. If you wish, you can still use the Sidekick for calls and text messaging. Internet and e-mail service will also be cut off. The phones' data services are ending on May 31, It's the end of an era.