Samsung Galaxy S10 Plus Motherboard Replacement

Insert a SIM card eject tool, bit, or straightened paperclip into the hole on the SIM tray.

• The hole is located at the top edge of the phone next to the plastic antenna band.
• If you inserted the tool into the other hole, the microphone and ingress gasket are safe from damage.
• Press firmly to eject the tray.

Never force or pry the SIM tray out - risk of damage to internal components.

• Remove the SIM card tray.
• To reinsert, ensure the SIM card is properly aligned with the tray.

Unplug and power off your phone before proceeding.

• Apply iOpener to the right edge of the back cover for two minutes.
• Alternatively, use a hair dryer or heat gun (but be careful not to overheat the phone: the display and internal battery can suffer damage from excessive heat).

Before proceeding, study the image of the removed back cover and note the adhesive's location.

Risk of cracking the back cover glass: do not apply excessive force with the pick.

• Apply a suction cup to the phone's right edge, near the center, where adhesive is narrowest.
• Pull on the suction cup with strong, steady force to create a gap between the back cover and frame.
• Insert opening pick point into the gap.

Due to tight tolerances, multiple attempts may be necessary. If struggling, apply more heat and try again.

• To aid in loosening adhesive, apply a few drops of high concentration isopropyl alcohol (over 90%) into the seam.

Position the phone at an angle using a support about 0.5 inches (13 mm) thick.

• Bias the phone with your fingers to prevent it from sliding.
• Pull on the suction cup with firm pressure.
• Press the opening tool into the seam at the back cover and frame joint.
• Slide the tool back and forth along the seam a few times.

Attempting to cut corner adhesive without heat may crack the back cover.

• Slide an opening pick along the phone's edge, cutting through adhesive.
• Apply heat before attempting to separate corner adhesives.
• Leave a pick in the seam to prevent re-sealing of adhesive.

Apply a iOpener to the bottom edge of the phone and heat it for 2 minutes.

Insert a pick into the right edge near the bottom right corner.

• Slide the pick around the corner, cutting along the bottom edge and left corner.
• If the cut is difficult, re-apply heat to the edge before continuing.

Leave a pick in the seam to prevent adhesive re-sealing.

Continue heating and slicing around the remaining edges of the phone.

• Be sure to thoroughly heat the corners when cutting.
• Ensure all edges are fully separated before proceeding.

Twist an opening pick into one edge of the phone to begin separating the back cover from the frame.

• Lift the back cover slowly using opening picks to slice any remaining adhesive.
• Remove the back cover once it is separated from the frame.

Power on your phone and test all functions before sealing the back cover, then power down completely when finished testing.

• Follow this guide to reinstall the back cover, transfer the camera bezel, and replace the adhesive during reassembly.

Disconnect the 9 x 4mm Phillips head screws holding the top midframe in place.

Locate the plastic clips holding the midframe in place.

• Insert the point of a spudger into the notch on the right edge, near the Bixby button.
• Pry up to loosen the midframe from the phone.

• Locate the notch on the left edge of the phone, near the power button.
• Pry up using a spudger to loosen the midframe

Lift the midframe from the top corners.

Ensure a firm grip to avoid damaging the phone's edges.

• To reinstall, align the midframe's top edge with the phone and gently lay it down.
• Apply pressure along the midframe perimeter using your fingers to snap clips back into place.

Insert the flat end of a spudger under the battery connector attached to the motherboard below the rear-facing camera.

• Pry upwards to disconnect the connector from its socket.

• Be careful not to dislodge small surface-mounted components surrounding the socket.

• Gently push the battery's flex cable away from the motherboard socket to prevent accidental contact.

Remove seven 4 mm Phillips screws that secure the lower midframe.

• They hold the midframe in place on the phone.

Locate and insert the point of a spudger into the notch, marked with a small triangle, near the bottom right corner of the lower midframe.

Be careful not to damage the phone's surrounding components.

Pry up gently on the midframe to release it from the phone.

• Grasp the loosened end of the midframe with your fingers and lift upwards slowly.

• Wiggle the midframe slightly to help release any remaining edge clips, taking care not to damage surrounding components.

• Remove the lower midframe.
• The loudspeaker is built into the lower midframe.
• To reinstall the lower midframe, align its bottom edge to the phone edge and press it firmly into place.

Locate the display connector at the bottom right corner of the phone's motherboard.

Pry it loose with the flat end of a spudger.

Use a spudger to gently pry up the headphone jack's connector from its motherboard socket.

• Remove the three Phillips screws:
• 1 x 3.8mm
• 2 x 3.7mm

Position the spudger under the motherboard's right edge, near the volume up button.

• Pry the motherboard upwards with gentle pressure.
• This should loosen it from its recess.

Grasp the motherboard by its top corners using your fingers.

• Lift the motherboard edge out of its recess slightly, taking care not to snag cables.
• Pull the motherboard towards the top edge, wiggling it gently to loosen the charging port.

Be careful not to trap any cables underneath the board when reinstalling.

• Align the motherboard's charging port with the bottom edge of the phone.
• Gently push the motherboard into place, ensuring it sits flush against the frame.