T-Mobile Sidekick LX 2009 OTA update
We have just got the news that T-Mobile Sidekick LX 2009 users can update their OTA to he latest version(OS 5.0/270115),since many Sidekick LX 2009 users complained the data lost and the similar problems as freezing and crashing, after you update the OTA, those issues won’t happen again, because the OTA contains lots of bug fixes. Don’t worry the data on your T-Mobile Sidekick LX 2009 when updating the OTA for Danger’s servers will back up all your data. So just update it and then clear the annoying problems on Sidekick LX 2009. T-Mobile Phones Software
Note: you should receive the OTA update message on you cellphone.