I found this at Samsung support :
Hi ******! Thank you for your inquiry. Regarding your concern, upon checking the specifications and settings on the T-Mobile? Sidekick? 4G Android Smartphone (SGH-T839), the phone does not support a direct TV-out capability found on other handsets to playback media or documents. However, if your television or monitor is DLNA-enabled television and you have a Wi-Fi network or Home-based station at your home for Wi-Fi connection, you can playback media files saved on the SGH-T839 handset on your television using Allshare application. Again, we thank you for comments and appreciate your patience and understanding in this matter. We appreciate your continued interest in Samsung products.
So, no, I guess?