LG Tribute LS660 is Not GMS Device this is not support any GSM Network worldwide
LG Tribute LS660 android smartphone comes with IPS LCD capacitive touchscreen, 16M colors, 480 x 854 pixels, 4.5 inches, multi touch Screen, Android OS, v4.4.2 (KitKat), Quad-core 1.2 prossesor, 5MP 2560 x 1920 Pixels autofocus LED Flash Rear and VGA front camera, 4GB Storage, 1 GB RAM, microSD, up to 32 GB, GPS, Wi Fi, and 3G Smartphone by LG.