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Follow this guide to replace the 5G mmWave antenna in your Samsung Galaxy S25 Edge smartphone.
If your phone is having cellular connectivity issues but still connects to Wi-Fi, you may need to replace the 5G mmWave antenna.
You'll need replacement back cover adhesive to complete this repair.
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Completely power off your phone and unplug all cables.
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Heat an iOpener and lay it on the bottom edge of the back cover for two minutes to soften the adhesive.
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Apply a suction handle near the center of the back cover's bottom edge, as close to the edge as possible.
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Pull up on the suction handle with strong, steady force until a gap forms between the cover and frame.
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Insert the tip of an opening pick into the gap.
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The back cover is secured with adhesive around the perimeter of the frame. Use this picture as a reference while you separate the adhesive.
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Slide your opening pick along the bottom edge to separate the adhesive securing the back cover.
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Continue sliding your pick around the entire perimeter of the back cover to separate all the remaining adhesive.
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Remove the back cover.
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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.
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Check your rear cameras for any smudges and gently wipe them with a clean lint–free cloth if necessary.
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Your replacement back cover adhesive will be applied to either the frame or the back cover. Use cutouts and contours to see where it lines up best. If it matches the back cover, follow this guide. If it matches the frame, use this guide.
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Use the point of a spudger to pry up and disconnect the wireless charging assembly press connector from its top edge.
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Use a Phillips screwdriver to remove the eleven 2.8 mm‑long screws securing the wireless charging and loudspeaker assembly.
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Use angled tweezers to pry up and unclip the loudspeaker by the notch on its left edge.
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Use two hands to lift and remove the wireless charging and loudspeaker assembly.
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Use the point of a spudger to pry up and disconnect the battery press connector.
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Use the point of a spudger to pry up and disconnect the 5G mmWave antenna press connector.
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Use a Phillips screwdriver to remove the 2.5 mm‑long screw securing the 5G mmWave antenna.
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Use the point of a spudger to lift the bottom edge of the 5G mmWave antenna until you can grip it with your fingers.
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Lift the 5G mmWave antenna out of its recess and remove it.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers Community for troubleshooting help.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers Community for troubleshooting help.
