TM-506 from Sony Ericsson will be the first phone to use T-Mobile’s AWS spectrum. Users wanting a taste of 3G on T-Mobile will be able to pick this up from September. The phone has a glass like exterior camouflaging the external screen and packs the usual Sony Ericsson UI with some customized services for T-Mobile.

Features & Specs:

- Weight: 3.4 ounces, including battery (approx.)
- Size: 3.7 x 1.9 x 0.69 inches (approx.)
- Talk Time: Up to 9.5 hours GSM; up to 3.5 hours UMTS (approx.)
- Standby Time: Up to 250 hours GSM, up to 250 hours UMTS (approx.)
- 2.0 Megapixel Camera
- Media Center
- aGPS Built-in
- TeleNav® Navigator
- RSS Feeds
- myFaves-enabled
- Audio Postcard
- Quicksend
- Mobile Backup (T-Mobile Address Book)
- Bluetooth® 2.0 / A2DP / Stereo streaming
- Tri-Band GSM (850/1800/1900)
- Dual-Band UMTS (1700/2100 & 2100)
- GSM/GRPS/EDGE/UMTS/HSDPA

No word on pricing.