Samsung Galaxy S20 Bluetooth Repair

Remove the SIM Tray before attempting to remove the internal components.

Heat up the back cover with a heat gun

Slide a thin plastic tool between the back cover and mid frame to work the adhesive loose. Work around the whole frame to release the back cover.

Be careful when using the opening pick on the right side, as the WLAN antenna cable is close to the edge of the frame and can be damaged easily.

Remove the 9 screws holding the antenna module in place, but do not try to remove the module itself yet.

Remove the 7 screws holding the lower portion of the plastic protective cover in place on the bottom of the phone

Insert a thin pry tool in the side of the lower plastic cover to release it.

Insert a thin tool in the side of the antenna module to loosen it, but do not pull it off yet.

Fold the antenna module over towards the battery.

Underneath there is the battery connector and a connector for the antenna module. Use a spudger to pry both of these off and remove the antenna module.

Use a spudger to release the rear camera and remove it from its housing.

Using a Philips screwdriver, remove the retaining screw for the mainboard.

Use a spudger to release the cable connecting the mainboard and sub-board.

The red and white cables can also be pried free, without needing to remove the connectors from the mainboard itself.

Use a spudger to remover the connectors for the display, fingerprint sensor and main-sub board. Pry the fingerprint sensor from the side to release and remove it.

Remove the retaining screw for the sub-board.

Use a spudger to pry the sub-board loose. Once loose, pry the cables up to release them from the channel going up the side of the frame.

Once the board and cables are loosened, the mainboard, sub-board and cables can all be removed together. If you aren't comfortable trying to remove everything with the cables still attached, disconnect the cables from the sub-board and mainboard first.

Use a heat gun on the front side of the display to loosen the adhesive holding the vibrator motor in place.

Once heated, insert a small flat tool at the five o'clock position to pry the motor loose.

Remove the two screws holding this part in place.

On the S20 FE this looks like a space filler for the frame and doesn't appear to have any function. On the S20 Ultra, this piece is an actual antenna.

Transfer this to the new frame.

Use a heat gun and heat up the front side of the display to loosen the adhesive holding the battery in place.

Insert a thin, flat, flexible tool to release the adhesive between the battery and frame. Work along the side of the battery and eventually it will start to come loose.

Extreme caution is advised when working with batteries. A punctured battery is a fire hazard - don't use one. Dispose of it at your nearest battery recycling centre.

Once one side is free, you can do the same on the other side and should be able to life the battery up and out.

To reassemble the phone, repeat the steps in reverse order.