LG G6 - Remove the main board

Remove the motherboard after water damage.

  • G6
  • 14 Steps
  • Medium
  • 45 min.
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Introduction

In this repair guide, we show you how to remove the motherboard of your LG G6. You need to remove the PCB if you want to clean it after water damage.

Required tools

  • Flache Plektren

    Flache Plektren

    You need a very flat tool such as a flat pick to pry out parts that are glued in place.

    €1.00 at the iDoc store
  • iFlex opening tool

    iFlex opening tool

    Die kleinen Teile in deinem Smartphone auseinanderzukriegen kann eine sehr große Arbeit bedeuten. Die Klinge des kompakten aber stabilen iFlex hat eine Dicke von nur 0,15 mm, sodass es auch in den kleinsten Spalten reinpasst, beispielsweise zwischen dem Display und dem Rahmen oder unter dem Logicboard. Das praktische iFlex ist aus hochwertigem rostfreiem Stahl und liegt gut in der Hand. Damit ist es der perfekte Helfer bei jeder Smartphone-Reparatur.

    €9.00 at the iDoc store
  • Tweezers

    Tweezers

    We recommend using tweezers to remove screws and various small parts from your device.

    €16.00 at the iDoc store
  • Plastic prying tool

    Plastic prying tool

    You need a flat plastic prying tool to disconnect the various plugs and connectors.

    €1.00 at the iDoc store
  • Steel Laboratory Spatula

    Steel Laboratory Spatula

    You need a flat and sturdy prying tool to disconnect glued parts.

    €9.00 at the iDoc store
  • Phillips PH00 screwdriver

    Phillips PH00 screwdriver

    You need the right screwdriver for removing PH00 screws.

    €10.00 at the iDoc store
Show all replacement parts for the G6 

Replacement parts and tools for this repair

Our tools plus the right spare part help you fix your device easily.

Werkzeugset Samsung

Ganz gleich, welches Problem dein Handy hat - mit unserem Werkzeugset kannst du es bestimmt beheben. Dieses Reparaturset...

for €49.00

Getting started

If you get stuck or have questions, you can post a comment for each step. We’d be happy to help.

14 steps
  1. Switch off the device

    G6 - Switch off the device 01
    G6 - Switch off the device 02
    G6 - Switch off the device 03
    1. Turn off your device by holding down the power button on the back until the “Power off” option appears.
    2. Tap to confirm and wait until the screen goes black.
  2. Remove back cover

    G6 - Remove back cover 01
    G6 - Remove back cover 02
    G6 - Remove back cover 03
    G6 - Remove back cover 04
    G6 - Remove back cover 05
    G6 - Remove back cover 06
    G6 - Remove back cover 07

    To loosen the back cover, use a heat gun or an ordinary hair dryer. Warm glue is easier to loosen, allowing you to remove the back cover.

    The easiest way to loosen the back cover is to use a flat and flexible tool such as the iFlex.

    We also recommend inserting flat picks to prevent the glue from sticking again.

    1. Heat the entire rear glass. It's glued all around the edges and around the home button and over the USB port.
    2. Insert the iFlex between the rear glass and the frame, but not more than 5 mm.

    Be extra careful, the back cover can break very easily. Don't pry with the tool, but only slide it around the edges. If necessary, apply the heat several times and try again. Removing the back cover might take a while. Take a little more time and work carefully to make sure you don't break anything.

    1. Once the rear glass comes off in one place, insert a pick into the gap to keep it open.
    2. Then run the iFlexit around all the edges to gradually loosen the glue.
    3. The rear glass has extra glue around the home button and over the USB port. Here you need to insert the iFlexit a little deeper. But not to far, or you could damage parts on the home button.
    4. Once the rear glass is unglued, you can lift it off. There's not cable attached.
  3. Remove speaker

    G6 - Remove speaker 01
    G6 - Remove speaker 02
    G6 - Remove speaker 03
    G6 - Remove speaker 04
    • 4 × 2.7 mm Phillips

    The LG G6 has only one screw length and only the midframe and speaker are screwed in.

    1. Remove the equal-length Phillips screws from the speaker and store them for later.
    2. Then pry out the speaker from the side of the battery and take it out of the device.
  4. Remove midframe

    G6 - Remove midframe 01
    G6 - Remove midframe 02
    G6 - Remove midframe 03
    G6 - Remove midframe 04
    • 7 × Phillips
    1. Remove the equal-length Phillips screws from the midframe and store them for later.
    2. Slide a flat, thin tool into the opening and pry out the midframe here.
    3. The midframe is clipped into the device at 4 points. Carefully release it and take it out once it moves easily.
  5. Disconnect the battery

    G6 - Disconnect the battery 01
    G6 - Disconnect the battery 02
    • Battery Connector
    1. Disconnect the battery using a plastic tool to prevent short circuits.
  6. Remove SIM tray

    G6 - Remove SIM tray 01
    G6 - Remove SIM tray 02
    1. Slide a SIM tool into the hole in the SIM tray.
    2. Take the SIM slider out of the device.
  7. Remove logic board

    • Connector
    1. Unplug the two connectors on the lower side of the logic board.
    2. Then first pry out the lower side of the logic board. Also unclip the logic board on the other points where it's clipped in.
    Don't bend the logic board, since it breaks easily.
  8. Insert logic board

    G6 - Insert logic board 01
    G6 - Insert logic board 02
    G6 - Insert logic board 03
    G6 - Insert logic board 04
    G6 - Insert logic board 05
    G6 - Insert logic board 06
    • Connector
    1. First check if the pin for the SIM tray is in place. If not, put it back in its opening.
    2. Place the logic board back into the device.
    Make sure that the battery cable and the two connectors at the bottom don't get stuck under the board.
    1. Slightly press in the logic board. It should snap in lightly.
    2. Then plug in the two connectors at the bottom of the board.
  9. Insert SIM tray

    G6 - Insert SIM tray 01
    1. Slide the SIM tray back into the device.
    If necessary, insert the SD/SIM cards first.
  10. Connect battery

    G6 - Connect battery 01
    G6 - Connect battery 02
    • Battery Connector
    1. Put the battery connector on its socket and press it on carefully.
  11. Insert midframe

    G6 - Insert midframe 01
    G6 - Insert midframe 02
    G6 - Insert midframe 03
    G6 - Insert midframe 04
    • 7 × 2.7 mm Phillips
    1. Place the midframe back in the device and press it in.
    2. Fasten it using the Phillips screws.
  12. Insert speaker

    G6 - Insert speaker 01
    G6 - Insert speaker 02
    G6 - Insert speaker 03
    • 4 × 2.7 mm Phillips
    1. Place the speaker in the device and carefully press it in.
    2. Fasten the Phillips screws.
  13. Attach rear glass

    G6 - Attach rear glass 01
    G6 - Attach rear glass 02
    1. Place the rear glass back on the device and press it on.

    You can heat the rear glass again to make the glue stick better.

  14. Test the display

    G6 - Test the display 01
    G6 - Test the display 02
    G6 - Test the display 03
    G6 - Test the display 04
    G6 - Test the display 05
    1. Turn on your device and then drag any app across the entire screen. Drag the app once around the entire border and then in a zigzag across the screen. The app should always follow your finger.
    2. Then test the display brightness by dragging the brightness slider to minimum and maximum.
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