The LG D520/D520BK which has been seen on Bluetooth SIG website also appears in a User Agent Profile (LG D520). The UAProf of LG D520 also revealed some specs of the device such as a touchscreen capable of 480×800 display resolution, Android Android-Webkit/534.3,LTE Support and etc.
Today, The LG D520 Model was also found on LG Official Support Website which confirms that T-mobile will carry this LG D520 smart smart phone in not long future.
Rumored LG D520 Specs:
Android 4.1.2 OS
4.0″ IPS, WVGA (800 x 480 pixels), 235 ppi
4G LTE AND HSPA+ NETWORK
2,460 MAH battery
Wifi and etc
T-mobile USA and LG have not announced the code name and upcoming availability of the LG D520 device yet. Following the LG G2, LG Optimus F6 and Optimus F3, The LG D520 will be the 4th LG LTE device for T-mobile USA.