Samsung Galaxy S24 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.

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

Insert a second pick at the bottom right corner.

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 [guide|25705|heated iOpener|new_window=true] 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 the pick toward the top left corner to separate the adhesive.

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

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

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

Insert a fourth opening pick at the top left corner.

Slide the pick toward the top right corner to separate the adhesive.

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

There's a [link|https://guide-images.cdn.ifixit.com/igi/sae3HRqprjs3CAC5.full|square of adhesive|new_window=true] around the rear microphone, just above the flash.

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

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

Keep sliding the pick toward the bottom of the phone while gently lifting the cover until the cover is free of the adhesive.

Grab and remove the back cover.

If the back cover is not lifting easily, use an opening pick to separate any adhesive that may have resealed.

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.

Retaining water resistance after the repair will depend on how well you reapply the back cover adhesive, but your device will lose its IP (Ingress Protection) rating.

Use tweezers or your fingers to remove all adhesive from the back cover and the phone. Use heat or isopropyl alcohol (90% or greater) and a coffee filter or lint-free cloth if you're having trouble removing the adhesive.

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

Use a spudger to pry up and disconnect the wireless charging coil [guide|25629|press connector|stepid=70308|new_window=true] from the motherboard.

There's an arrow printed on the board near each press connector that indicates the recommended prying location.

To reconnect press connectors, align the connector carefully over its socket and press down with your fingertip—first on one side, then the other—until it clicks into place. Don't try to force the connector into place. If you're having trouble, reposition it and try again.

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 a spudger in the notch at the top left corner of the loudspeaker, which is marked by an arrow.

Pry up to unclip the loudspeaker from the frame.

Use your fingers to lift the loudspeaker away from the frame.

Remove the wireless charging coil and loudspeaker from the frame.

During reassembly, press around the edges of the loudspeaker to clip it to the frame before reinserting the screws.

Use a spudger to pry up and disconnect the battery press connector.

Use a spudger to pry up and disconnect both interconnect cable press connectors from the daughterboard.

Use a spudger to pry up and disconnect both interconnect cable press connectors from the motherboard.

Grab and remove the interconnect cables from the phone.

Insert a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the bottom edge of the phone.

Press the SIM eject tool into the SIM card tray hole to eject the SIM card tray.

Remove the SIM card tray.

If you accidentally inserted the SIM eject tool into a microphone hole, don't worry! [link|https://www.ifixit.com/News/32804/why-you-cant-really-damage-your-microphone-port-with-a-sim-eject-tool|You most likely didn't damage the microphone.|new_window=true]

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.

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.