The LG G3 Vigor's front-facing camera can be replaced with the following steps.
Identify the notch located at the bottom right corner of the phone.
Remove the rear case cover by gently pulling it away from the phone.
Lift the battery out of its slot located at the bottom.
Remove the 12 Phillips #00 screws from the midframe.
Use a plastic opening tool to gently pry the midframe away from the phone's chassis, starting at one edge and working your way around.
Disconnect the ribbon cable from the motherboard using a spudger.
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