Samsung Galaxy Z Flip 4 Hinge Repair and Replacement (Step-by-Step Guide)

Is your Samsung Galaxy Z Flip 4 Hinge experiencing issues? And you are looking forward to getting it repaired.  Then don’t worry! Discover how to restore the functionality of your phone and regain the smooth folding experience you love. Learn the step-by-step process of Samsung Galaxy Z Flip 4 Hinge repair or replacement.

Common problems include stiffness, misalignment, clicking sounds, and improper unfolding are the problematic issues. Any of these reasons can significantly impact the usability and performance of the Samsung Galaxy Z Flip 4. Follow our comprehensive guide to empower yourself with the knowledge and skills to repair your Galaxy Z Flip 4’s hinge. Let’s begin the journey to restore your phone’s best condition and enjoy its potential functionality again.

Step#1 Gather The Necessary Tools And Materials

Gathering all the necessary tools and materials is important before starting the Samsung Galaxy Z Flip 4 hinge repair or replacement process. Here is the list. This will help you whether you are a technician or an individual. Let’s start collecting essential tools.

Small Phillips Screwdriver

You will require a Phillips Screwdriver. This tool is needed to remove screws and access the internal parts of the Samsung Galaxy Z Flip 4.

Pry and Plastic Opening Tools

The second most important tools are plastic opening and pry tools. Use specialized pry tools such as plastic or nylon to safely open the phone without causing any damage.

Adhesive

Adhesive and glue are important but sometimes you may not require it. However depending on the repair needs you may need the bond to reattach loose components such as replacing Samsung Galaxy Z Flip 4 Hinge or fixing its mechanism.

Cleaning Cloth

A  soft cloth is the 4th most important thing primarily required for smartphone repairs. A piece of cloth keeps the phone and its components clean. However the Microfiber cloth is designed to clean dust dirt and fingerprints from the phone especially from its screen.

Replacement Hinge

If you’ve identified a damaged or worn-out Samsung Galaxy Z Flip 4 hinge during the inspection ensure the right replacement parts such as hinge mechanisms screws or related components.

Having these tools and materials ready will ensure a smooth and successful hinge repair. Set up a bright organized workspace to minimize the risk of losing small components and ensure a successful repair process.

Step#2  Prepare the Workspace

A suitable workspace is crucial for a successful Samsung Galaxy Z Flip 4 hinge repair. Follow these steps to ensure an optimal environment.

1.  Choose a location or a room with good lighting to improve visibility and prevent mistakes during the repair process.
2.  Place a soft cloth or mat on your workspace to provide a cushioning layer. This helps prevent scratches or damage to the phone while working on it.

Step#3 Power Off The Samsung Galaxy Z Flip 4

To power off your Samsung Galaxy Z Flip 4 follow these simple steps:

1. Find the power button on your Galaxy Z Flip 4. It is located on the side of the phone.
2. Press and hold the power button until the power menu appears on the screen.
3. From the power menu options tap “Power off” to initiate the shutdown process.
4. Confirm the action by tapping on “Power off” again if asked.

Wait a few seconds and your Galaxy Z Flip 4 will power off completely. This step will ensure a safe and controlled environment for successful hinge repair.

Step#4 Pull Out the SIM Card Tray

1.  The SIM card tray slot on your Samsung Galaxy Z Flip 4 is on the side of the cell phone.
2. Insert the SIM card ejector tool or an unfolded paperclip into the small hole next to the SIM card tray.
3. Apply slight pressure to the hole using the tool or paperclip and the SIM card tray will pop out.
4. Pull out the SIM card tray carefully from the cell phone.

Step#5 Remove Back Covers

1. Position the sucking tool on both sides of the Z Flip 4 back cover ensuring a firm attachment.
2. Using a plastic opening tool carefully pry and detach the back covers from the phone. Take caution as there are two separate covers.
3. Insert the opening tool at the bottom of the cell phone and move it gently to release the bottom back cover. It should come off quickly.
4. For the top back cover repeat the process of inserting the opening tool and prying it up. However exercise caution as a connector is attached to the main board. Remove the protective cover and use a pry tool to disconnect the connector from the main board.
5. Once the connectors are safely detached you can remove both back covers from the cell phone’s sides.

Note: Take your time and gently remove the back covers to avoid damaging any components. Please make that all necessary connectors are properly detached before proceeding.

Step#6 Disconnect All the Connectors

1. Locate the protecting cover on the main board secured by two screws. Unscrew the lid and carefully lift it off to reveal black tape.
2. Peel off the black tape that covers the connectors exposing them to disconnection. Use a pry tool to disconnect each connector from the main board gently.
3. After disconnecting all the connectors from the upper part you will notice several Phillips screws. Unfasten these screws to release a plastic cover that protects the front-facing camera.
4. Locate the connector attached to the front-facing camera and carefully disconnect it using a pry tool.
5. With all connectors disconnected you can now gently pull off the entire motherboard ensuring to handle it with care.
6. Once the motherboard is removed you can remove the upper battery.

Note: It is essential to be gentle and cautious when disconnecting connectors and removing components to avoid damage. Keep track of the screws and parts for reassembly later.

Step#7 Remove Connectors and Battery From the Bottom Part of The Galaxy Z Flip 4

1. Locate the seven Phillips screws on the bottom part of the Samsung Galaxy Z Flip 4. Unscrew all of them.
2. After removing the cover you will find the wireless charging cable connected. Gently disconnect the cable from its port.
3. Once the wireless charging cable is disconnected you can remove the wireless charging coil carefully.
4. Locate the bottom speaker assembly and carefully remove it from its position.
5. Identify and disconnect all the flex cables connected to the soft board. Take care not to damage the wires while disconnecting them.
6. Look for a single Phillips screw securing the charger port. Unscrew it and remove the charger port. Remove the connector from the charger port.
7. You can now proceed to remove the bottom battery.

Following these steps you can successfully remove the connectors and battery from the bottom part of your Samsung Galaxy Z Flip 4 enabling further hinge repairs or replacement.

Step#8 Remove The Display of the Samsung Galaxy Z Flip 4

1. Use a heat gun or a hairdryer to apply gentle heat to the edges of the display. This will help soften the adhesive holding the display in place.
2. Carefully insert a thin flat pry tool between the display and phone frame. Start from one corner and slowly work your way around the edges. Gently prying the display away from the frame.
3. As you pry along the edges you will feel the adhesive loosening. Continue to apply gentle pressure and work your way around the entire display separating it from the Z Flip 4’s frame.
4. Use a pry tool or a pair of tweezers to carefully disconnect the display connector from the main board.
5. Lift the display assembly away from the phone.

Step#9 Inspect The Hinge for Damage

Now that you can access the Samsung Galaxy Z Flip 4 hinge.

1. Look closely at the hinge for any visible signs of damage or misalignment.
2. Carefully examine the hinge mechanism metal components and connections for any issues causing problems.
3. Look for bent or damaged metal parts loose or disconnected connections or any abnormalities that could affect the functionality of the hinge.
4. When opening and closing the cell phone pay attention to unusual sounds or movements.

Inspecting the hinge will help you identify any potential issues that must be handled during the repair process.

Step#10 Repair or Replacement of Samsung Galaxy Z Flip 4 Hinge

Based on your inspection in the previous step you have identified any issues or damage with the hinge of your Samsung Galaxy Z Flip 4. Now it’s time to decide whether you can repair the hinge or if a replacement is necessary.

You can repair the hinge yourself if you notice minor issues like loose connections or misalignment. In this case carefully follow the manufacturer’s instructions or seek guidance from well-known sources to perform the necessary repairs. Use proper tools and take your time to ensure a proper fix.

Step#11 Hinge Replacement for Samsung Galaxy Z Flip 4

If you have decided that the hinge of your Samsung Galaxy Z Flip 4 needs to be replaced follow these steps:

1. Unscrew all the visible screws on the hinges.
2. Carefully open and separate each hinge.
3. Locate the damaged or broken hinge that needs to be replaced.
4. Remove the damaged hinge from its position.
5. Install the new Samsung Galaxy Z Flip 4 hinge.
6. Secure the hinge in place by reattaching the screws.
7. Double-check that all screws are tightened properly.
8. Perform a test fold and unfold to ensure the new hinge functions correctly.

Practicing caution and following proper techniques when replacing the hinge is important. If you are doubtful or uncomfortable performing the replacement yourself, seek professional assistance or contact the manufacturer for support. They can provide guidance and ensure a successful hinge replacement for your Samsung Galaxy Z Flip 4.

Step#12 Test the Hinge

Once you have completed the hinge repair or replacement for your Samsung Galaxy Z Flip 4 testing its functionality and ensuring smooth movement is crucial. Follow these steps to conduct a thorough hinge test:

1. Gently fold the cell phone several times to assess the hinge’s movement.
2. Pay close attention to any resistance stiffness or unusual sounds during the folding and unfolding.
3. Verify that the hinge locks securely in both the open and closed positions.
4. Test the phone at different angles and directions to ensure the hinge performs well in various positions.
5. If you encounter any issues or abnormalities consider troubleshooting steps such as:
   1. Double-checking the hinge installation.
   2. Cleaning any dirt or debris that may be affecting the hinge’s movement.

However cleaning with the cloth is extremely important after removing the display and before and after hinge repair or installation.

Step#13 Reassemble the Samsung Galaxy Z Flip 4

Now that you have successfully repaired or replaced the hinge of your Samsung Galaxy Z Flip 4. It’s time to reassemble the cell phone. Follow these steps to ensure a proper and secure reassembly:

1. Begin by aligning the components correctly starting with the motherboard and the upper part of the phone.
2. Carefully reconnect all the connectors to the main board.
3. Place the plastic cover back over the facing camera and fasten the screws to hold it.
4. Insert the upper battery back into its position.  Make sure a snug fit.
5. Move on to reassembling the bottom part of the phone. Reconnect the flex cables to the soft board and align them properly.
6. Attach the charger port making sure the flex cable is securely connected.
7. Place the bottom speaker assembly back into position.
8. Reconnect the wireless charging coil and cable.  Make sure it is properly aligned.
9. Secure the bottom part by fastening all the Phillips screws back into place.
10. Confirm that all the parts are settled correctly and that nothing is choking the movement of the hinge.

Conclusion

The hinge plays a crucial role in the smooth operation of the Samsung Galaxy Z Flip 4. Following this step-by-step guide you can effectively repair or replace a faulty hinge and restore your phone’s functionality.

A well-functioning hinge ensures a smooth folding experience and enhances the overall usability of your Galaxy Z Flip 4.

We hope this guide has provided you with the information and guidance to successfully repair your Samsung Galaxy Z Flip 4 hinge. Remember to handle each step with care and seek professional assistance if needed.

Happy repairing and enjoy your fully functional Samsung Galaxy Z Flip 4!