Samsung Galaxy S23 Motherboard Replacement Step-By-Step Guide

Are you worried about the slow processing performance of your Samsung Galaxy S23? You have reached the right place! Follow our ultimate Samsung Galaxy S23 Motherboard Replacement Guide!

Samsung Galaxy S23 features an impressive Snapdragon 8 Gen 2 (4 nm) chipset and 8GB RAM. A powerful motherboard is responsible for your Galaxy S23's high processing performance. A faulty motherboard will slow down your S23. It is necessary to replace it to restore your phone’s overall functionality. 

Let's move on to replace the defective motherboard of your Galaxy S23!

Step 1 Prepare Mobile Repairing Tools 

Step 1 Prepare Mobile Repairing Tools

Gather all these useful mobile repairing tools to replace the defective motherboard of your Galaxy S23:

  • A Hot Air Gun or Hair Dryer
  • A SIM Ejection Pin or tool
  • A Suction Cup
  • A plastic opening pick or tool
  • A spudger or prying tool 
  • A set of screwdrivers
  • A pair of tweezers
  • New adhesive glue
  • Isopropyl Alcohol 
  • New Samsung Galaxy S23 Motherboard Replacement

Step 2 Turn Off Your Galaxy S23

Step 2 Turn Off Your Galaxy S23
Step 2 Turn Off Your Galaxy S23(2)

Follow these simple steps to power off your Samsung Galaxy S23:

  • Press the side and volume down button together.
  • Wait for a few seconds.
  • A Power-off menu will pop up on the screen.
  • Select the power off option to switch off your S23.

Step 3 Eject SIM Card Tray 

Step 3 Eject SIM Card Tray
Step 3 Eject SIM Card Tray
  • Locate a small hole at the bottom edge of your S23 near the SIM Card Tray. 
  • Insert the SIM ejector pin in this hole.
  • Firmly press the pin.
  • The SIM Tray will partially come out.
  • Remove the SIM card tray of your Samsung Galaxy S23 with your fingers.
  • Keep it in a safe place.

Step 4 Heat The Phone

Step 4 Heat The Phone
  • Adjust medium heat settings on your hot gun or hair dryer. 
  • Heat the phone to melt the adhesive around its edges.
  • You can also use a hot plate to heat your S23 for 60 to 90 seconds.
  • Keep the hot air gun or hair dryer at least 5 to 10 cm away from your phone. Too much heat can damage the internal components of your S23.
  • Heat will melt the adhesive glue present around all the phone edges.
  • Now it is time to slice the adhesive around the phone edges.

Step 5 Fix A Suction Cup 

Step 5 Fix A Suction Cup
  • Attach a suction cup near the bottom edge of your Galaxy S23 back cover.
  • Pull up the suction cup handle until a gap forms between the back cover and the phone frame.

Step 6 Insert Opening Tool

Step 6 Insert Opening Tool
  • Take a plastic opening pick or tool.
  • Insert the pick inside the gap between the back cover and the phone frame.

Step 7 Cut Through The Bottom Adhesive 

Step 7 Cut Through The Bottom Adhesive
Step 7 Cut Through The Bottom Adhesive 2
  • Slide the plastic pick or tool from the phone’s lower right to the lower left corner.
  • Repeat this step twice to cut through the adhesive present around the bottom edge of your phone.

Step 8 Remove The Left Adhesive 

Step 8 Remove The Left Adhesive
Step 8 Remove The Left Adhesive 2
  • Move the opening pick from the lower left to the upper left edge of the phone to cut the left adhesive.
  • If it is difficult to cut the adhesive, you can reheat the phone for 2 to 3 minutes. 

Step 9 Slice The Upper Adhesive 

Step 9 Slice The Upper Adhesive
Step 9 Slice The Upper Adhesive 2
  • Now move the plastic pick from the phone’s upper left to the upper right corner.
  • Repeat this to and fro motion of the pick to cut the upper adhesive.

Step 10 Cut The Right Adhesive 

Step 10 Cut The Right Adhesive
Step 10 Cut The Right Adhesive 2
  • Keep moving the pick from the upper right to the lower right edge of your S23 to cut the right adhesive.

Step 11 Detach The Rear Cover 

Step 11 Detach The Rear Cover
  • After slicing adhesive glue around all edges of your Galaxy S23, hold the back cover of your S23 with your fingers.
  • Remove the back cover. 
  • Keep it safe as you may need it during your phone’s reassembly.

Step 12 Unscrew The Wireless Charging Coil And NFC Antenna Assembly 

Step 12 Unscrew The Wireless Charging Coil And NFC Antenna Assembly
  • Unscrew all the screws of the wireless charging coil and NFC Antenna Assembly with a screwdriver.
  • Keep the screws in a safe place.

Step 13 Disconnect The Wireless Charging Coil And NFC Antenna Assembly 

Step 13 Disconnect The Wireless Charging Coil And NFC Antenna Assembly
  • Pry up the Wireless Charging Coil press connector with a spudger to disconnect the wireless charging coil and NFC antenna from the motherboard.

Step 14 Remove The Wireless Charging Coil And NFC Antenna Assembly 

Step 14 Remove The Wireless Charging Coil And NFC Antenna Assembly
  • Hold the wireless charging coil and NFC antenna assembly with tweezers.
  • Remove the wireless charging coil and NFC antenna assembly from its recess.
  • Keep it aside.

Step 15 Disconnect The Battery 

Step 15 Disconnect The Battery
  • Unclip the battery’s press connector with a spudger to disconnect the battery from the Motherboard.

Step 16 Disconnect The Flex Cables 

Step 16 Disconnect The Flex Cables
Step 16 Disconnect The Flex Cables 2
Step 16 Disconnect The Flex Cables 3
  • Three flex cables are connected to the motherboard of your S23.
  • Use a spudger to unclip the press connectors of all three flex cables.

Step 17 Unscrew The Top Speaker

Step 17 Unscrew The Top Speaker
  • Unfasten the top speaker of your Galaxy S23 with a screwdriver.

Step 18 Disconnect The Top Antenna 

Step 18 Disconnect The Top Antenna
  • Unclip the press connector of the antenna with a prying tool.

Step 19 Remove The Top Speaker 

Step 19 Remove The Top Speaker
  • Use a spudger to pry up the top speaker from its recess.

Step 20 Disconnect The Front Camera 

Step 20 Disconnect The Front Camera
  • Disconnect the press connector of the front camera with a spudger.

Step 21 Unscrew The Rear Cameras And Motherboard Assembly 

Step 21 Unscrew The Rear Cameras And Motherboard Assembly
  • Use a screwdriver to unfasten the screws securing the rear cameras and motherboard assembly to its recess.

Step 22 Remove The Rear Cameras And Motherboard Assembly 

Step 22 Remove The Rear Cameras And Motherboard Assembly
Step 22 Remove The Rear Cameras And Motherboard Assembly 2
  • Use a spudger or plastic pick to lift the rear camera and motherboard assembly from its recess.
  • Hold the rear camera and motherboard assembly with your fingers.
  • Remove the rear camera and motherboard assembly

Step 23 Separate The Rear Cameras From The Motherboard Assembly 

Step 23 Separate The Rear Cameras From The Motherboard Assembly
  • Disconnect the three press connectors of the rear cameras from the motherboard.
  • Remove the rear camera assembly from the motherboard.

Step 24 Install The New Motherboard 

Step 24 Install The New Motherboard
  • Connect the rear camera assembly to the new S23 Motherboard.
  • Install the new motherboard assembly to its recess.
  • Tighten up all the screws of the motherboard.

Step 25 Reassemble Your Galaxy S23

Step 24 Install The New Motherboard

To reassemble your Samsung Galaxy S23 follow these steps:

  • Reconnect all the flex cables.
  • Reconnect the battery and antenna to the motherboard.
  • Fasten up all the screws.
  • Attach and connect the wireless charging coil and NFC Antenna Assembly to the motherboard.
  • Dip a cotton bud into Isopropyl Alcohol. Rub this cotton bud around the edges of the phone frame and back cover.
  • Wait for 2 minutes. Isopropyl Alcohol will melt the old adhesive. 
  • Wipe away the old adhesive with a clean cotton cloth.
  • Apply new adhesive around the edges of the back cover.
  • Attach the back cover to the phone frame.
  • Insert the SIM Card Tray.

Wrapping Up 

Congratulations! You have successfully replaced the defective motherboard of your Samsung Galaxy S23 with our step-by-step guidelines. Turn on your Galaxy S23 and test the processing performance of your S23’s new motherboard.

Motherboard replacementPhone repairSamsung galaxy s23Samsung repair guideSmartphone motherboardStep-by-step guide

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