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Disassembly/Repair of the mobile device Samsung Gear S3 Frontier SM-R760 (Samsung Gear S3 Frontier SM-R760x, SM-R760n) with each step description and the required set of tools.


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Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 1/1

Step 1. Before disassembling!

⚠️️ Before disassembling or repair, do not forget to turn your smartwatch off.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/4 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/5 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/6 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/7 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/8 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/9 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 2/10

Step 2. Disassembly - Briefly

If you want to see the disassembly in detail. Please check this link - Disassembly Samsung Gear S3 Frontier or watch our video under this instruction.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/4 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/5 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 3/6

Step 3. Remove the battery

Now we need to detach the battery. In our case, the battery is swollen, it is defective, and it is glued to the motherboard.

We insert a plastic film between the battery and the motherboard, spray isopropyl alcohol so that alcohol can get under the battery and onto the adhesive base. And carefully separate the battery. It is slightly glued, but over the entire surface.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 4/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 4/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 4/3

Step 4. Clean the surface

We cleaned the surface of the circuit board. For this we used isopropyl alcohol and a small rag. Now we see a large copper plate of the passive heat sink system on which the battery is glued.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 5/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 5/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 5/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 5/4

Step 5. Attach the adhesive tape

For gluing, we traditionally use 3M adhesive tape. We attach two pieces of the adhesive to the battery and try on the battery for reassembly.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 6/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 6/2

Step 6. Insert the battery

We insert the battery into the Bracket and attach the pad with the contacts.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 7/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 7/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 7/3

Step 7. Attach the motherboard

We peel off the release liners on the battery and attach the motherboard and the button cable to the Bracket.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 8/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 8/2

Step 8. Screw in screws

Using a Phillips 1.5 mm screwdriver aka #000, we screw in the two screws that hold the motherboard, battery and Bracket together. Now the motherboard is powered by the battery and we need to be as careful as possible.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 9/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 9/2

Step 9. Screw in one screw

Using a Phillips 1.5 mm screwdriver aka #000, we screw in one screw that press tight the battery contacts (on the motherboard) and battery contact pad together.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/4 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/5 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 10/6

Step 10. Attach the assembly

We push the display, touchscreen sensor cables and cable for small board through the hole in the Bracket. Insert our assembly into the front case with the display module.

Connect all connectors.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 11/1

Step 11. Clean the surface

Remove the remnants of the old sealant on the back cover.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/4 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/5 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 12/6

Step 12. Double-check

Now we need to check that we have assembled everything correctly and the Gear S3 is working.

We attach the back cover and turn on the smartwatch.

We test the display, touchscreen, bezel and battery.

We can also test a speaker, Bluetooth, or microphone by simply syncing the watch with a smartphone.

We also check - do the watch is charging or not? We install it on the charger.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 13/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 13/2

Step 13. Apply sealant

If everything works well, we open the Back cover again and now we need to apply sealant to the edge of the back cover. We use a T7000 sealant.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 14/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 14/2

Step 14. Attach the back cover

Attach the back cover carefully.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 15/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 15/2

Step 15. Screw in screws

Take a Tri-wing 2.0 mm screwdriver aka Y00. We screw in four screws to fasten the cover.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 16/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 16/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 16/3

Step 16. Clean the surface

After assembly, moisten a small cloth (or rag) with isopropyl alcohol and remove the remaining sealant.


Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 17/1 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 17/2 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 17/3 Samsung Gear S3 Frontier SM-R760 Battery replacement, Step 17/4

Step 17. Attach the strap

Attach the strap to the smartwatch.

Detailed disassembly instructions of Samsung Gear S3 Frontier SM-R760 in the video, made by our mobile repair & service center:

If you have a question, ask us, and we will try to answer in as much detail as possible. If this article was helpful for you, please rate it.


Disassembling\Repair has medium complexity and takes about 14 minutes in time. Our manual is suitable for all models Samsung Gear S3 Frontier SM-R760 — Samsung Gear S3 Frontier SM-R760x, SM-R760n released for markets in different countries.



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