Samsung Galaxy S23 Plus Logic Board Repair

Allow your phone's battery to drain below 25%, as a charged lithium-ion battery is a potential safety hazard. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].

Unplug any cables from your phone.

Hold the side key and the volume down button, then select "Power off" to turn off your phone.

A [guide|157348|hair dryer|new_window=true], [guide|151116|heat gun|new_window=true], or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are susceptible to heat damage.

Apply a suction handle to the back cover, as close to the center of the right edge as possible.

Pull up on the suction handle with strong, steady force to create a gap between the cover and the frame.

If you have trouble creating a gap, apply more heat to further soften the adhesive. Follow the [guide|25705|iOpener instructions|new_window=true] to avoid overheating.

Insert an opening pick into the gap.

Slide the pick back and forth along the right edge to separate the adhesive.

Leave the pick inserted near the bottom right corner to prevent the adhesive from resealing.

Apply a [guide|25705|heated iOpener|new_window=true] to the bottom edge of the back cover for two minutes.

Insert a second pick at the bottom right corner.

Rotate the opening pick around the bottom right corner to separate the adhesive.

Slide the opening pick to the bottom left corner to separate the adhesive.

Leave the pick in the bottom left corner to prevent the adhesive from resealing.

Apply a heated iOpener to the left edge of the back cover for two minutes.

Rotate the opening pick around the bottom left corner to separate the adhesive.

Insert a third opening pick at the bottom left corner.

Slide your pick toward the top left corner to separate the adhesive.

Leave the pick in the top left corner to prevent the adhesive from resealing.

Heat an iOpener and apply it to the top edge of the back cover for two minutes.

Insert a fourth opening pick at the top left corner.

Rotate it around the top left corner to separate the adhesive.

Slide your opening pick to the top right corner to separate the adhesive.

Leave the pick in the top right corner to prevent the adhesive from resealing.

There's a remaining [link|https://guide-images.cdn.ifixit.com/igi/IBcyVfmDsdHbdID1.full|patch of adhesive|new_window=true] directly under the flash.

Line up the tip of an opening pick with the flash cutout.

Slide the opening pick under the top of the back cover until you feel it start to snag on the adhesive.

You should see the opening pick through the flash cutout.

Keep sliding the pick toward the bottom of the phone until you feel the adhesive completely separate from the back cover.

Avoid touching the rear cameras with your pick. Pushing against the lenses risks damaging them.

Grab and remove the back cover.

If your cover is still sticking to the frame, slide an opening pick around the perimeter until the cover completely separates.

During reassembly:

This is a good point to power on your phone and test all functions before sealing it up. Be sure to power your phone back down completely before you continue working.

Remove any adhesive chunks with a pair of tweezers or your fingers. Apply heat and isopropyl alcohol (90% or greater) if you're having trouble removing the adhesive.

If you're using custom-cut adhesives, [guide|152862|follow this guide|new_window=true].

If you're using double-sided tape, [guide|113604|follow this guide.|new_window=true]

Use the point of your spudger to pry up and disconnect the wireless charging coil press connector from the motherboard.

To re-attach [guide|25629|press connectors|stepid=70308|new_window=true], carefully align and press down on one side until it clicks into place, then repeat on the other side. Don't press down on the middle. If the connector is misaligned, the pins can bend and cause permanent damage.

Use the point of a spudger to pry up and disconnect the NFC antenna press connector.

Use a Phillips screwdriver to remove the thirteen 3.5 mm‑long screws securing the wireless charging coil and the loudspeaker:

Six screws securing the wireless charging coil

Seven screws securing the loudspeaker

Insert the point of your spudger in the notch at the top left corner of the loudspeaker.

Pry up to unclip the loudspeaker from the frame.

Use your fingers to lift the loudspeaker away from the frame to fully separate it.

Remove the wireless charging coil and loudspeaker from the frame.

During reassembly, press around the perimeter of the loudspeaker to clip it to the frame.

Use the point of your spudger to pry up and disconnect the battery press connector.

Use your spudger to pry up and disconnect the primary and secondary interconnect cable press connectors from the daughterboard.

Repeat the previous step for the primary and secondary interconnect cable connectors on the motherboard.

Remove the interconnect cables.

Use a Phillips screwdriver to remove the three 3.5 mm‑long screws securing the daughterboard.

Use the point of a spudger to pry up the top right corner of the daughterboard and unclip it from the frame.

Don't pry against the battery! Angle your spudger so you pry against the frame.

Remove the daughterboard.

During reassembly, reinsert the USB-C port into its recess at an angle before pressing the daughterboard flat onto the frame.