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Samsung Galaxy J4 SM-J400
Samsung Galaxy J4 SM-J400
Teardown difficulty:
Moderate
Duration:
16 min

Recommended tools

Heat gun Heat gun
Screwdriver Phillips #000 Screwdriver phillips #000
Opening tool / Spudger Opening tool / spudger
Tweezers Tweezers

Disassembly/Repair of the mobile device Samsung Galaxy J4 SM-J400 (Samsung Galaxy J4 J400F/DS (Global DS); J400G/DS) with each step description and the required set of tools.

Vadim Popoff

Author, currently - Quality Assurance Specialist

How to disassemble Samsung Galaxy J4 SM-J400, Step 1/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 1/2

Step 1.

Open the back cover.

How to disassemble Samsung Galaxy J4 SM-J400, Step 2/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 2/2

Step 2.

Lift and remove the battery.

How to disassemble Samsung Galaxy J4 SM-J400, Step 3/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 3/2

Step 3.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 11 bolts in the frame of the phone.

How to disassemble Samsung Galaxy J4 SM-J400, Step 4/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 4/2

Step 4.

Remove the cover hiding the connector.

How to disassemble Samsung Galaxy J4 SM-J400, Step 5/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 5/2 How to disassemble Samsung Galaxy J4 SM-J400, Step 5/3

Step 5.

Pry up the display module connector.

How to disassemble Samsung Galaxy J4 SM-J400, Step 6/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 6/2

Step 6.

Separate the display module from the cover.

⚠️ Warning!

For careful separation, we recommend using a heat gun. At the same time, it is necessary to heat carefully in order, not to damage the surface of the device.

How to disassemble Samsung Galaxy J4 SM-J400, Step 7/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 7/2

Step 7.

Pry and remove the middle frame.

How to disassemble Samsung Galaxy J4 SM-J400, Step 8/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 8/2

Step 8.

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

How to disassemble Samsung Galaxy J4 SM-J400, Step 9/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 9/2 How to disassemble Samsung Galaxy J4 SM-J400, Step 9/3

Step 9.

Disconnect the connector on the PCB.

How to disassemble Samsung Galaxy J4 SM-J400, Step 10/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 10/2

Step 10.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 2 bolts in the PCB.

How to disassemble Samsung Galaxy J4 SM-J400, Step 11/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 11/2

Step 11.

Remove the PCB.

How to disassemble Samsung Galaxy J4 SM-J400, Step 12/1 How to disassemble Samsung Galaxy J4 SM-J400, Step 12/2 How to disassemble Samsung Galaxy J4 SM-J400, Step 12/3

Step 12.

Parts are in the frame of the display module.

Detailed disassembly instructions of Samsung Galaxy J4 SM-J400 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.

#instructions #Samsung #Samsung Galaxy J4 SM-J400
Evgenii Kuzmin

Evgenii Kuzmin

Senior maintenance service and repair engineer

Disassembling\Repair has medium complexity and takes about 16 minutes in time.
Our manual is suitable for all models Samsung Galaxy J4 SM-J400 — Samsung Galaxy J4 J400F/DS (Global DS); J400G/DS released for markets in different countries.


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