Teardown difficulty:
Hard
Duration:
13 min

Recommended tools

Disassembly/Repair of the mobile device Samsung Galaxy J8 (2018) SM-J810 (Samsung J810F/DS (Global DS); J810G/DS (India); J810Y/DS (Asia) / Samsung Galaxy On8 in India) with each step description and the required set of tools.


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How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 1/1 How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 1/2

Step 1. Remove the trays

Use the ejection tool (aka Needle) or Paperclip. Push the tip all the way into the hole until the tray ejects, and then pull the tray out. Should do it for each of the SIM and Memory card (Micro SD) trays.

⚠️️ Pay attention! The tool must be inserted into a hole on the edge of the phone's housing. Do not press too hard. It may break the tray eject mechanism.


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Step 2. Open the display module

⚠️️ Pay attention! Disassembly has a maximum 3rd difficulty because the process begins with the disassembly of the display module. If you have no experience or are not sure of your skills, we strongly recommend that you contact a specialized service center.

It will simplify the process. You can use a home hairdryer, but you will have to make a nozzle by hand or have a suitable one in the kit to gently heat and concentrate the heat flow in the right place.

ℹ️️ The surface of the display module must be heated to soften the adhesive underneath. The approximate heating temperature is 50° C / 125° F.

Use a thin plastic film or pick for separation. To facilitate the process, you can use isopropyl alcohol. It is often the most difficult to pass the tool between the parts to be divided. Choose the far edge from the FFC cables or buttons.

Do not use a lever or any force for separation that could damage the elements inside.

The process can be seen in our video entirely so as well as in detail, at the end of the instructions.


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Step 3. Remove the bracket

Pry up the bracket holding the connector.


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Step 4. Disconnect the connector

Disconnect the display module connector and remove the display.


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Step 5. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 17 screws.


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Step 6. Open the middle cover

Pry over the edges and separate the housing from the middle cover. In the housing we can see: fingerprint sensor, vibration motor, side buttons.


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Step 7. Disconnect the battery connector

Disconnect the battery connector as soon as possible. It is better to use a non-metal or plastic tool to avoid any damage.

ℹ️️ The Samsung Galaxy J8 (2018) SM-J810 model has a battery EB-BJ805ABE with 3500 mAh capacity (aka rechargeable battery).

⚠️️ It is highly recommended to disconnect the connector to avoid possible short circuits during disassembly.


How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 8/1 How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 8/2

Step 8. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew the two screws securing the motherboard.


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Step 9. Remove the front camera

Disconnect the connector on the motherboard and remove the front (selfie) camera.


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Step 10. Remove the headphone jack

Disconnect the connector on the motherboard and remove the assembly with a headphone jack socket and microphone.


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Step 11. Remove the motherboard

Carefully remove the printed circuit board. There is no need to use a lever or try to reach the circuit board by force. Make sure that nothing is getting in the way or holding the circuit board.

The motherboard, also, may be attached with attachments like latches or hooks, be careful.

⚠️️ Do not bend the circuit board when removing it or push tools under it. Unbeknownst to yourself, you can damage components or cables from the inside.


How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 12/1 How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 12/2 How to disassemble Samsung Galaxy J8 (2018) SM-J810, Step 12/3

Step 12. In the display frame remained

ℹ️️ In the display frame remained: the earpiece speaker, loudspeaker, battery.

Detailed disassembly instructions of Samsung Galaxy J8 (2018) SM-J810 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 hard complexity and takes about 13 minutes in time. Our manual is suitable for all models Samsung Galaxy J8 (2018) SM-J810 — Samsung J810F/DS (Global DS); J810G/DS (India); J810Y/DS (Asia) / Samsung Galaxy On8 in India released for markets in different countries.



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