Galaxy S8+ - Removing the mainboard

1. Turn off your device by holding down the power button until the “Power off” option appears.
2. Use your finger to confirm that you want to shut down your Galaxy S8 Plus and wait until the screen goes blank.

1. The back cover’s really glued to the chassis. Heat the device evenly with hot air to soften the glue.
2. Then carefully try to lift the rear glass using a flat, blunt tool. It’s best if you find a loose spot where you can insert the first pick. Then work your way around the device step by step.

Use a suction cup to lift the glass if you can’t find anywhere to insert the toolThis step can take a pretty long time. You may have to heat the rear glass or the glue a few more times before you can finally detach itDon’t take off the back cover all the way because you have to disconnect the connector for the fingerprint reader first.

1. After detaching the back cover, carefully lift it and disconnect the fingerprint sensor using the spudger.
2. Then you can completely remove the back cover and set it aside.

• 11 × 3,8 mm Phillips Schraube

1. Remove the screws that attach the upper cover to the display.
2. The cover is latched onto the case. Slide a flat tool under the latches to disconnect them.
3. Now remove the antenna.

1. Using the spudger, carefully disconnect the battery contact from the motherboard.

• 4 × 3,8 mm Phillips Schraube

1. Remove the screws that attach the speaker to the display.
2. Use a flat object like a pair of tweezers to detach the speaker and then remove it.

1. Use the SIM tool to eject the SIM card tray from your device and then remove the tray with your fingers.

• Volume & Standby Buttons
• Frontcamera & Sensor
• Display
• Antenna

1. Using the spudger, carefully disconnect the marked contacts from the logic board.

Make sure you don’t damage the motherboard’s contacts when you disconnect the antenna cables.

1. Simply pry the front camera and the sensor out of the chassis and then remove it.

1. Now you can carefully remove the motherboard. Make sure it doesn’t get caught on the connectors you already disconnected.
2. The USB port is still connected to the back of the board. Once you’ve lifted the board, you can use the spudger to disconnect this contact.
3. Then set the board aside in a safe place.

Now you can put the motherboard back in.

1. First connect the USB connector on the back of the board.
2. Then you can put the board back in the enclosure. Make sure no cables or connectors get stuck under the board.

• Volume & Standby Buttons
• Display
• Antenna

1. Now connect the marked contacts to the board again.

1. Insert the SIM card tray back into your device. Make sure the tray is positioned properly.

1. Put the front camera and the sensor in the opening at the upper edge of the enclosure. Make sure it clicks into place properly.

• 4 × 3,8 mm Phillips Schraube

1. Now put the speaker at the lower end of the enclosure.
2. Press it gently with your fingers until it clicks into place in the enclosure.
3. Then reinsert the marked screws.

1. Connect the battery to the motherboard. Press the contact onto the connection on the motherboard until you hear it click into place.

• 11 × 3,8 mm Phillips Schraube

1. Put the cover with the antenna back in the enclosure after hooking it onto the top of the enclosure.
2. Then press the cover with your fingers until it clicks gently into place all over.
3. Fasten the phillips screws.

1. Put the back cover back in its original position.
2. Connect the fingerprint sensor again.
3. Press the back cover on all over so the glue will stick.

You can also heat your device with hot air and then clamp it or weight it down with a couple books so the glue will stick better.