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Teardown difficulty:
Moderate

Recommended tools

Samsung Galaxy A40 SM-A405 Teardown

Samsung Galaxy A40 SM-A405, Step 1/1 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.

Samsung Galaxy A40 SM-A405, Step 2/1 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.

Samsung Galaxy A40 SM-A405, Step 3/1 Samsung Galaxy A40 SM-A405, Step 3/2
Step 3

Remove the bracket holding the fingerprint sensor connector.

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

Remove the fingerprint sensor.

Samsung Galaxy A40 SM-A405, Step 5/1 Samsung Galaxy A40 SM-A405, Step 5/2
Step 5

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

Samsung Galaxy A40 SM-A405, Step 6/1 Samsung Galaxy A40 SM-A405, Step 6/2
Step 6

Pry and remove the middle frame.

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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.

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

Disconnect connectors and remove the inter-board cable.

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

Disconnect connectors on the daughterboard.

Samsung Galaxy A40 SM-A405, Step 10/1 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.

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

Remove the daughterboard, also known as sub-board.

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

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

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

Pry up the coaxial cable connector.

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

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

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

Remove the PCB.

Samsung Galaxy A40 SM-A405, Step 16/1 Samsung Galaxy A40 SM-A405, Step 16/2
Step 16

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

Disassembly Video


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