Samsung Galaxy S25 Motherboard Replacement

Allow Galaxy's battery to drain below 25% before starting — risk of fire with a charged lithium-ion battery.

• Disconnect all cables from your phone.
• Power key and volume down button, select Power off to completely shut down the device.

Cracked glass can cause injury or complicate disassembly.

• Apply strips of packing tape over the cracked glass, making sure not to cover the frame.
• Ensure a single strip of tape is applied along the bottom edge, large enough for a suction cup to fit on.

Consider wearing safety glasses to protect your eyes from flying glass debris during the repair.

Improper use of a heat gun can destroy the display and/or battery.

• Use an iOpener, hair dryer, or heat gun to heat the back cover for 2 minutes.
• Lay the iOpener on the bottom edge of the back cover to soften the adhesive.

Follow linked instructions carefully for safe heat gun use.

Separate the adhesive from the phone's frame, using the provided picture for reference.

• Use caution and only partially insert your tool near the camera lenses to avoid damage.

Attach a suction handle to the very bottom edge of the back cover, as close to the edge as you can get.

Apply steady pressure to the suction handle until a gap appears between the back cover and frame.

• Hold the phone down with your lifting hand's fingers, or use your free hand to stabilize the frame.
• Be cautious of hot surfaces.
• Insert an opening pick into the gap.

Apply heat to the back cover if it feels stuck.

• Use a heating source to loosen the adhesive.
• Insert an opening pick along the bottom edge and carefully pry the adhesive apart.

Insert an opening pick at the bottom right corner of the device.

• Guide the pick up the right edge, working slowly to separate the adhesive.

Insert pick near cameras, just a few millimeters, to avoid damage.

• Slide pick around top right corner and along top edge to separate adhesive.

Insert an opening pick at the top left corner and slide it down the left edge to loosen the adhesive.

Careful not to damage any components.

• Use a suction handle to lift and remove the back cover.
• If stuck, go around perimeter with an opening pick and separate adhesive.

Power cycle your phone before reassembly.

• Power on phone, test all functions.
• Power down completely before continuing.

Inspect rear cameras for smudges and clean if necessary.

• Check rear cameras for smudges.
• Clean with a lint-free cloth if necessary.

Apply adhesive to either the or back cover.

• Use cutouts and contours for proper alignment.
• Refer to correct guide based on adhesive placement.

Hold the wireless charging coil firmly in place with one hand.

• Pry up the press connector using the pointed tip of a spudger.
• Disconnect the wireless charging coil press connector once it is loose.

Keep track of each screw to ensure proper reassembly.

• Remove six 3.5 mm screws from the wireless charging coil using a Phillips screwdriver.
• Next, remove seven 3.5 mm screws securing the loudspeaker assembly.

Ensure all screws are properly documented and replaced in their original positions to avoid damage to your phone.

Insert the pointed end of a spudger under the left side of the loudspeaker and gently pry it up until it releases.

• Press firmly around the perimeter of the loudspeaker during reassembly to engage its clips.

Use both hands to lift out the wireless charging and loudspeaker assembly.

Pry at the correct location indicated by the gold arrow on the board, as prying at the wrong spot may damage the surface-mounted components.

• Locate the corresponding gold arrow for the battery press connector.
• Use a spudger's point to pry up and disconnect the press connector.

Insert the point of the spudger into the earpiece speaker press connector at the top right of the motherboard.

• Pry up gently to release the connector.
• Disconnect the earpiece speaker press connector from the motherboard.

Remove the earpiece speaker screws using a Phillips screwdriver.

• The screws are 5 in total, each measuring 3.5 mm long.

Careful not to damage cameras or surface-mounted components.

• Use a spudger to lift the earpiece speaker from the center of its bottom edge until it unclips.
• Remove the speaker completely.
• During reassembly, press around the speaker's perimeter to engage its clips firmly.

Use a spudger to pry up and disconnect three connectors: interconnect and screen cable press connectors at the motherboard's bottom edge.

For easier access, consider disconnecting the other ends of the cables from the phone's bottom.

• Remove any disconnected cables.
• Reconnect both ends of the cables during reassembly.

Insert the pointed end of the spudger into the selfie camera and mmWave antenna press connectors.

Remove the rear camera screws using a Phillips screwdriver.

• The screws are approximately 3.5 mm long.

Only grip the motherboard by its edges.

• Avoid touching the cameras to prevent damage to connectors and surface-mounted components.
• Lift the top edge of the motherboard and remove it, being careful not to snag any cables.

During reassembly, hold cables out of the way or reposition them as needed to avoid damage.

Avoid pressing the motherboard against your work surface to prevent damaging fragile components.

• Flip the motherboard over and suspend it above your workspace.
• Exercise extreme care when handling the cameras, as they are exposed on the board's underside.

Remove cameras from top to bottom due to interlocking design.

• Pry up and disconnect the ultrawide camera's press connector using a spudger's point.
• Remove the ultrawide camera.
• During reassembly, slot the ultrawide camera into the lower camera and secure with pegs into motherboard cutouts.

• Use the pointed end of a spudger to carefully pry up and release the wide-angle camera press connector.
• Next, remove the wide-angle camera.

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

• Remove the telephoto camera from the device.
• During reassembly, ensure proper alignment of all cameras by checking this photo: the cameras should be close together with minimal wiggle room.

The motherboard is now ready to be replaced.