Teardown difficulty:
Moderate
Duration:
6 min

Recommended tools

Disassembly of the mobile device Samsung Galaxy A40 SM-A405 (Samsung SM-A405F/DS, SM-A405FN/DS (Global), SM-A405FM/DS) with each step description and the required set of tools.


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How to disassemble Samsung Galaxy A40 SM-A405, Step 1/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 1/2

Step 1

Using the key tool, open the SIM and Micro SD cards tray and remove it.

⚠️ Warning!

Do not push too hard this may cause damage.

How to disassemble Samsung Galaxy A40 SM-A405, Step 2/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 2/2

Step 2

Open the back 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 A40 SM-A405, Step 3/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 3/2

Step 3

Remove the bracket holding the fingerprint sensor connector.

How to disassemble Samsung Galaxy A40 SM-A405, Step 4/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 4/2

Step 4

Remove the fingerprint sensor.

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Step 5

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 13 bolts in the frame of the phone.

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Step 6

Pry and remove the middle frame.

How to disassemble Samsung Galaxy A40 SM-A405, Step 7/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 7/2

Step 7

Disconnect the battery connector. The battery model of Samsung Galaxy A40 SM-A405 is EB-BA405ABE.

⚠️ Warning!

We strongly recommend disconnecting the connector to avoid a possible short circuit during disassembly.

How to disassemble Samsung Galaxy A40 SM-A405, Step 8/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 8/2

Step 8

Disconnect connectors and remove the inter-board cable.

How to disassemble Samsung Galaxy A40 SM-A405, Step 9/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 9/2

Step 9

Disconnect connectors on the daughterboard.

How to disassemble Samsung Galaxy A40 SM-A405, Step 10/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 10/2

Step 10

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 1 bolt in the daughter board.

How to disassemble Samsung Galaxy A40 SM-A405, Step 11/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 11/2

Step 11

Remove the daughterboard, also known as sub-board.

How to disassemble Samsung Galaxy A40 SM-A405, Step 12/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 12/2

Step 12

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

How to disassemble Samsung Galaxy A40 SM-A405, Step 13/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 13/2

Step 13

Pry up the coaxial cable connector.

How to disassemble Samsung Galaxy A40 SM-A405, Step 14/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 14/2

Step 14

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 1 bolt in the PCB.

How to disassemble Samsung Galaxy A40 SM-A405, Step 15/1 How to disassemble Samsung Galaxy A40 SM-A405, Step 15/2

Step 15

Remove the PCB.

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Step 16

Pry up the connectors and remove the two rear cameras assembly.

Detailed disassembly instructions of Samsung Galaxy A40 SM-A405 in the video, made by our mobile repair & service center:


Disassembling\Repair has medium complexity and takes about 6 minutes in time.
Our manual is suitable for all models Samsung Galaxy A40 SM-A405 — Samsung SM-A405F/DS, SM-A405FN/DS (Global), SM-A405FM/DS released for markets in different countries.



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