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Teardown difficulty:
Moderate

Recommended tools

Samsung Galaxy J4 SM-J400 Teardown

Samsung Galaxy J4 SM-J400, Step 1/1 Samsung Galaxy J4 SM-J400, Step 1/2
Step 1

Open the back cover.

Samsung Galaxy J4 SM-J400, Step 2/1 Samsung Galaxy J4 SM-J400, Step 2/2
Step 2

Lift and remove the battery.

Samsung Galaxy J4 SM-J400, Step 3/1 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.

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

Remove the cover hiding the connector.

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

Pry up the display module connector.

Samsung Galaxy J4 SM-J400, Step 6/1 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.

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

Pry and remove the middle frame.

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

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

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

Disconnect the connector on the PCB.

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

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

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

Remove the PCB.

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

Parts are in the frame of the display module.

Disassembly Video


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