Taking apart the outer casing for the LG VX5400. This repair is solely for prerequisite purposes. Using this guide without using other repair guides may not be helpful at all.
Take the Philips screwdriver and unscrew the four visible screws on the backside of the phone indicated by the four red circles.
Then, take the pointed end of a spudger and pry out the rubber stopper to reveal the last screw at the top indicated with the blue circle.