
To start, we need the right tools to proceed with the repair, which You can find in the description.
First, turn off the phone, take out the SIM tray, and follow the back cover removal.
To remove the back cover, create a gap near the SIM slot or charger port using a picker or card pry tool. Insert the card pry tool and gently move around the phone to release the plastic clips on the frame.
Be gentle when taking out the back cover; the fingerprint sensor is attached to the back cover.
Next, take out the logic board cover by undoing six screws. Then, disconnect the battery plug followed by the fingerprint connector. Now, the back cover can leave the body.
Next, disconnect and take out the front camera. If the front camera has broken, replace it with a new unit and start closing the device.
Next, disconnect and take out the macro and depth cameras from the front side of the logic board.
To take out the other two cameras, it needs to take out the logic board. First, disconnect the main ribbon connector and antenna head, and then undo the screw on the logic board.
Next, take out the logic board using a tweezer or pry tool, and then on the rear side of the logic board, disconnect and take out the primary and ultra-wide camera from the board.
Next, Replace the required broken rear camera and place it on the logic board.
First, place the primary and ultra-wide camera on the board and secure the logic board in the body by inserting the screw.
Next, place and secure the macro and depth cameras into the logic board. and then fasten the main ribbon flex and antenna to the logic board.
Next, connect the battery and fingerprint plugs into the board. And then, secure the logic board cover by adding five screws.
Finally, Snap in the back cover and run through the sides to secure the clips. And Also, Do not forget to add the SIM tray.
I hope you have enjoyed the replacement guide on Galaxy A12.
Let us know if you have any questions






