To replace the front camera on your Zenfone 3, ensure it's malfunctioning by checking for missing or distorted images. You'll need:
Use tweezers to remove the SIM card tray.
Remove the 2mm screws with a Torx T2 screwdriver.
Use a Phillips #00 screwdriver to remove the two 3 mm screws from the silver band.
Remove and carefully peel away the silver tape.
Disconnect the battery connections.
Remove the battery carefully, as the underside has adhesive.
Remove the copper adhesive by peeling it off.
Disconnect the front camera cable.
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