In US, LG Optimus F3 can be found at least on four difference Mobile Carrier. They are LG Optimus F3 LS720 for Sprint, Optimus F3 MS659 for MetroPCS and two others for Virgin Mobile and T-Mobile USA. The device is designed with 4.0 inches IPS LCD capacitive touchscreen with 480 x 800 pixels resolution.
For the User Manual of Optimus F3, we will gave you the two version for Sprint and MetroPCS carrier. There are also available the Quick Start Guide. The Manual is also available on Spanish version. FYI, the display has 233 ppi pixel density and it’s covered with Corning Gorilla Glass 2 for scratch protection.