WIFI not working or slow? Replace it (only screwdrivers required).
Remove ten 3mm screws from the back cover with a T4 screwdriver.
Remove the black tape covering the RAM and wireless card with your hands.
Use a plastic iFixit opening tool to remove the two wires connected to the wireless card.
Use a PH00 screwdriver to remove the one 3mm screw that holds the wireless card in place.
Use your hand to remove the wireless card.
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