Galaxy S20 - Screen replacement

1. Switch off the device at the beginning to avoid short circuits during the repair.

If the screen can no longer be used due to damage, the device is switched off by disconnecting the battery.

The Samsung Galaxy S20 is opened via the heavily bonded glass back cover.

1. Heat the frame of the device with hot air to about 60-80 degrees. Heating it makes the backcover's adhesive easier to remove.
2. Take a suction cup and place it on the bottom of the device.
3. Pull the suction cup and guide your flat opening tool into the resulting gap.

The iFlex opening tool, which is made of thin, strong metal, is very suitable for removing such glued back covers. Once inserted, we recommend using a plastic tool, as this will not scratch the frame and back cover.You can also use an iSclack instead of a suction cup. This tool works like a pair of pliers with suction cups on both sides.

1. Insert a narrow plectrum into the already loosened part so that the glue does not reattach.
2. Guide your tool along the entire edge of the back cover.

1. In the area of the camera you should also take care not to insert your tool too far into the device.

• 5 × 4,0 mm Phillips

1. Remove the Phillips screws of equal length from the charging coil.

An iDoc magnetic pad can help you sort screws and smaller components.

1. The coil is slightly glued to the speaker. Loosen the glue and remove the cover. It is slightly hooked at the top end.

• Battery Connector

1. Now disconnect the battery with a plastic spudger.

Pay attention to the small components next to the battery connector. Lever from the other side to avoid accidentally damaging them.

• 5 × 4,0 mm Phillips

1. Loosen the Phillips screws that secure the speaker in the unit.
2. Then lift up the speaker and take it out.

• Connector

1. Loosen and remove the flex cables that run over the battery.
2. Separate the connectors carefully with the spudger and take out the two upper cables.
3. Then disconnect the display cable from the motherboard.

1. The battery is strongly glued. You should use hot air again to loosen the glue more easily.

Never heat the battery directly, but from underneath via the screen.

1. Fold the display flex cable that runs above the battery to the side. If necessary you can fix it to prevent it from getting in the way while removing the battery.
2. Use a tool such as the iSesamo or a battery supdger to lever.
3. Lever with the tool around the battery to release it bit by bit.
4. Do not bend the battery and take care not to pinch the battery or damage its cover.
5. Once the glue is slightly loosened, you can use a flat plastic tool such as the iPlastix to slide beneath the battery.
6. Take enough time for this step and warm up the glue in between.
7. Once the adhesive is loosened, you can remove the battery from the device.

• 4 × 4,0 mm Phillips

1. Remove the four screws from the main board cover.
2. Use a spudger to lift the cover and take it out.

• 1 × 4,0 mm Phillips
• 1 × 2,8 mm Phillips
• Connector

1. Disconnect the various connectors from the motherboard. Take care again not to damage any components on the board.
2. Lever carefully and bend the contacts slightly to the side.
3. Remove the SIM holder. You can use a SIM tool or a paper clip to remove the SIM holder.
4. Loosen the screws that fix the board and the cameras.
5. Lever carefully on one side and take out the main board with both hands. Make sure that no cables or connectors get caught on it.

Be especially careful when handling the main board, as it cannot be repaired so easily.

• 3 × 4,0 mm Phillips

In the lower part of the device is a small circuit board where the USB charging socket is located.

1. Loosen the three screws.
2. Use a spudger to lift the board slightly upwards and pull it carefully out of the frame.

1. The vibration motor is glued. Use hot air to loosen it.
2. Lever the motor out with a flat tool.
3. Do not lever where the golden contacts are, as these can easily be bent.

1. Use a flat tool to slide under the glued earpiece to loosen it.

It is possible that your spare dislay already comes with a new earpiece. If so, you do not have to take it over and you can skip this step.

Next to the earcup is another sensor.

1. Loosen the thin cable with a steel spatula.
2. Lift the sensor out of its opening.

1. Compare your new display with the old one. If necessary you have to take over gaskets or covers. An original Samsung spare part from the iDoc Store already has all the components installed.
2. Remove the foils that protect the various openings for e. g. the camera and sensors

1. Position the sensor in its place in the device and press it down slightly.

1. Place the earpiece in its opening.

1. Press the earpiece down to glue it back in place.

1. Put the vibration motor back in its place and press it down.

Make sure that there is still some glue on the bottom.

• 3 × 4,0 mm Phillips

1. Position the USB board diagonally at the bottom of the device and then push it into the frame.
2. Fasten the Phillips screws.

Make sure that it is properly positioned before you screw it in.

• 1 × 4,0 mm Phillips
• 1 × 2,8 mm Phillips
• Connector

1. Bend all flex cables a bit to the side and then put the main board into the device.
2. Position it at the top and guide the board down until it fits properly.
3. Be careful not to pinch any cables under the board.
4. If the motherboard lies flush and flat in the unit, you can screw it in place.
5. Put the SIM holder back in place. If it is stuck, do not push it in with force, but check whether the main board is already positioned correctly.
6. Then connect all connectors.

Position the connectors over their sockets and press them down gently. The connectors should snap directly into place. If they do'nt fit properly, loosen them again and reposition them.

• 4 × 4,0 mm Phillips

1. Place the top cover at an angle and then press it down.
2. When it is clicked in place on all sides, you can fasten it.

1. Check the adhesive residues on the underside of the battery. Make sure that the adhesive does not wrinkle, otherwise it could push the battery upwards. If the new display comes with adhesive surfaces for the battery, you should remove all old adhesive from your battery.
2. Then insert the battery into the device. Make sure that it has a little space on all sides and is not pushed against the frame anywhere.

• Connector

1. Reinsert the flex cables that run above the battery.
2. The side labeled "MAIN" should face up inside the unit.
3. Connect the connectors to the main board and the USB board.

• 5 × 4,0 mm Phillips

1. Insert the speaker, press it down and screw it in place. Make sure it's hooked in at the bottom.

• Battery Connector

1. Position the battery contact over its socket on the mainboard and press it down.

• 5 × 4,0 mm Phillips

1. Put on the metal cover with the charging coil.
2. Hook it in at the top and fasten all screws.

1. Test your Galaxy S20 before you finally close the device.
2. Switch on the device and open the telefone app.
3. Here you enter *#0*# and a test menu opens.
4. In the test menu you can test the display for pixel errors and check the touchscreen and other functions such as the camera, the speaker or the status LED.
5. If everything is OK, you can lock your smartphone for good.

1. Before you put the backcover back on you should check the glue. It should be evenly distributed on the edge of the backcover. Remove excess glue if necessary.
2. If you like, you can also remove the old glue and use a new one.

1. Before attaching a new adhesive frame, you must first remove all old adhesive residues on the backcover and frame. You can use a plastic supdger to scrape off some of the glue. Cleaning alcohol and a lint-free cloth can help to remove the residue.
2. Check the alignment of the frame, then peel off the first protective film and apply the adhesive to the frame. Don't press it down yet, but check that it is properly seated on all sides. The adhesive should not protrude at anywhere.
3. Press the adhesive down all around so that it bonds properly to the frame.
4. Loosen the second foil. Make sure that the adhesive does not come off the frame.
5. Position the backcover over the device and put it down slowly.
6. Heat the backcover again with hot air so that the adhesive bonds again.
7. As long as the glue cools down, you can press the backcover down with your fingers or weight it down with a few books.