⚠️️ Before disassembling, do not forget to turn your watch off.
Easy
Recommended tools
![Screwdriver Tri-point Y00](/media/sorl-cache/b3/e1/b3e1c4712c0221bd99501f986efbc747.jpg)
![Screwdriver Phillips #000](/media/sorl-cache/5a/49/5a49f52add8fce973969602f5c3c80bd.jpg)
![Screwdriver Phillips #00](/media/sorl-cache/c2/9f/c29f9ad144777cdc6e52ba18b8a8e34b.jpg)
![Non-metallic tool](/media/sorl-cache/0b/df/0bdfe688ecb106c95aed8bb43b26e27d.jpg)
Disassembly/Repair of the mobile device Samsung Galaxy Watch 4 SM-R870 (Samsung Galaxy Watch 4 44mm SM-R870) with each step description and the required set of tools.
Specialist in content creation, distribution and content management.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 2/1](/media/sorl-cache/d6/26/d626acbcc42dce4a001ffa2582e891b5.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 2/2](/media/sorl-cache/6f/d4/6fd44d322288630bfffdfdcf2878e3e8.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 2/3](/media/sorl-cache/97/88/9788c99f9af76bf5e0117f4181ab1183.webp)
Step 2. Unscrew the screws
Using a screwdriver Tri-point Y00 1.5 mm, unscrew the four screws securing the back cover.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 3/1](/media/sorl-cache/35/e6/35e61aed600ba1912b52ea62847ee769.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 3/2](/media/sorl-cache/df/95/df95ad4bcee98faa8f5b7c714dae982e.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 3/3](/media/sorl-cache/fc/1c/fc1c5b3a3ae34f6013467105835b1996.webp)
Step 3. Open the back cover
Now we need to open the back cover. Choose the tool we need. In our case, it's a thin plastic pick. Put the tool in the gap between the back cover and the housing and slide the tool along the edge to open the cover.
We need to be careful because on the back cover there is a sensor, from which there is a cable running to the motherboard. We need to carefully open and lift the cover and see where the connector is located.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 4/1](/media/sorl-cache/56/18/56182f871401111b71ae271811014e39.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 4/2](/media/sorl-cache/34/37/343707e1a084be6bb17d7f1d78ba1977.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 4/3](/media/sorl-cache/c3/29/c329c6e47d50175b0d02574b176a56d9.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 4/4](/media/sorl-cache/73/13/7313ef28588c1aaa2d707b3cb8513020.webp)
Step 4. Disconnect the connector
Then we need to disconnect the fingerprint sensor connector with a non-metal tool and remove the back cover. In our case it is a tweezers with ceramic tips.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 5/1](/media/sorl-cache/0f/06/0f062da1b0fc4becf58d34778e8c196a.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 5/2](/media/sorl-cache/4d/6e/4d6eaf2c5f6ac1be725fa76fb8987596.webp)
Step 5. Disconnect the connectors
After we have removed the cover, we need to disconnect the two connectors that go to the display, touchscreen and other elements on the inside.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 6/1](/media/sorl-cache/6e/8e/6e8e003d0468a3095b91a642800a60ed.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 6/2](/media/sorl-cache/5d/0e/5d0e098cd89cb63dfeca54fecf15b6ef.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 6/3](/media/sorl-cache/78/36/7836b45810e879a3559ca4410d96ad51.webp)
Step 6. Unscrew one screw
Further, we need to unscrew one screw securing the motherboard. For this, we'll use a 1.5mm Phillips screwdriver or #000.
Obviously, this screw will be different from the previous ones so we must take this into account.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 7/1](/media/sorl-cache/46/12/4612e9114ac32ad13ed330bfb82ee4e9.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 7/2](/media/sorl-cache/8f/16/8f169f45a83c50273a0aba79b43616ff.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 7/3](/media/sorl-cache/f9/a3/f9a38338081bad203724f0ce9470becc.webp)
Step 7. Remove the motherboard
And we can carefully pry at the edge and remove the motherboard. Finding a convenient place for us, we pry up and remove the motherboard.
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 8/1](/media/sorl-cache/51/63/51639dd546265618011900c1a23d2228.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 8/2](/media/sorl-cache/4e/3a/4e3a52153e76210c9286c9fe5981a262.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 8/3](/media/sorl-cache/95/4e/954e854530c35ef63b59c9212a8f530e.webp)
![How to disassemble Samsung Galaxy Watch 4 SM-R870, Step 8/4](/media/sorl-cache/22/e1/22e1ddfa425b23e132cc789e9615e42b.webp)
Step 8. Remove the battery
Finally, we can remove the battery.
First, we need to detach the contact pad for this we use tweezers with thin tips. Hook it to the edge and detach it. And we can unstick the battery. Pry it at the bottom and detach it.
⚠️️ Carefully, the battery may hold on tight.
Detailed disassembly instructions of Samsung Galaxy Watch 4 SM-R870 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.
![Evgenii Kuzmin](/media/1st_pic.jpg)
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