6.5. Smartphone Screen Replacement: Connecting the Flex Cables

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Smartphone screen replacement is one of the most common tasks at a phone repair shop. However, it is a procedure that requires care, precision and a clear understanding of how the phone's components work together. One of the most crucial elements of this process is the connection of the flex cables, also known as flex cables. This step-by-step guide will help you understand how to swap a smartphone screen, focusing on connecting the flex cables.

Step 1: Disassembling the phone

Before you start, make sure you have all the tools you need for the job. This includes a screwdriver, tweezers, plastic opening keys and a heat station. Start by removing all the visible screws on the back of the phone. Then use the heat station to soften the adhesive that holds the back of the phone in place. Carefully use the plastic opening keys to lift the back of the phone and expose the inside of the device.

Step 2: Disconnecting the Battery

Before starting work on the flex cables, it is essential to disconnect the battery. This avoids the risk of a short circuit while you are working on your phone. Locate the battery and disconnect the cable connecting it to the main board.

Step 3: Locating the Flex Cables

Flexible cables are usually thin and flat and are used to connect different parts of the phone. They are called "flexible" because they can bend without breaking. In the case of the phone screen, there will be flexible cables connecting the screen to the phone's main board.

Step 4: Disconnecting the Flex Cables

Using tweezers, carefully disconnect the flex cables from the main board. Be careful not to damage the cables or connectors on the main board.

Step 5: Removing the Old Screen

With the flex cables disconnected, you can now remove the old screen. Again, you'll need to use the heat station to soften the adhesive that holds the screen in place. Use the plastic release keys to carefully lift the screen.

Step 6: Installing the new screen

Before installing the new screen, clean any adhesive residue from the phone frame. Then connect the new display flex cables to the main board. Make sure they are securely and securely in place. Then apply a new adhesive and place the new screen in place.

Step 7: Battery reconnection and phone assembly

With the new screen installed and the flex cables connected, you can now reconnect the battery. Then put the back of the phone back in place and reinstall all the screws. Turn on the phone to verify that the new screen is working properly.

In summary, changing smartphone screens is a task that requires patience and precision. Connecting the flex cables is a crucial step that must be done carefully to avoid damage to the phone. With practice and experience, you will become more confident and efficient in this process.

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586.6. Smartphone screen replacement: Function test of the new screen