Today our tutorial How to Root LG Optimus L3 E400 on Android 2.3.6 Gingerbread baseband GRK39F firmware version. LG Optimus phones are dead as there is no special features on their Android devices. LG is trying to give tough competition for Samsung and Sony. LG released optimus L3 to compete in budget phone market where already Samsung Galaxy Y and Galaxy Y Duos are holding big chunks. Optimus L3 was priced very competitive with Galaxy Y and most of users who wanted something else than popular Galaxy Y went for L3. Optimus L3 featured an 800 MHz Processor with 350MB RAM. It was running Android 2.3.6 Gingerbread and featured LG UI 3.0. For users of this phone who want to root it and make it much better by removing unwanted stock apps to free some internal memory storage.