Prevent electric shock by removing the battery first and then the back controls. Ensure all components, including the middle button, are removed along with the back controls to avoid losing them.
Flip the LG K7 over so that the back is facing upwards.
Insert a plastic opening tool into the notch.
Disconnect and remove the battery.
Identify the screw retaining the back controls.
Use the plastic opening tool to create space between the chrome bezel and the phone's casing.
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