There seems to be an inherent fault in the hinge design. We have seen few of these through the workshop. Replacing the hinge is not an easy repair by any stretch of imagination! Very time consuming and risky process.
When the hinge goes however, it has to be replaced, there are no two ways about it. Here is some more information about the hinge replacement process and the hinge design and common failure causes.
The hinge for the Samsung Galaxy Z Flip 4, like other foldable smartphones, is a crucial component that enables the device to fold and unfold seamlessly.
Hinge Design and Functionality
- Flex Mode Hinge: The hinge on the Galaxy Z Flip 4 is designed to support Samsung’s Flex Mode, allowing the phone to stay open at various angles. This feature is useful for hands-free video calls, taking selfies, or multitasking with split-screen apps.
- Durability: The hinge is built to withstand frequent folding and unfolding. Samsung has implemented a robust mechanism with multiple layers of protection to ensure longevity. It also includes a sweeper technology to prevent dust and debris from entering the hinge and causing damage. However it still fails in some cases.
Common Issues and Solutions
- Wear and Tear: Over time, the hinge might experience wear and tear, potentially leading to looseness or difficulty in maintaining certain angles. Regular maintenance and gentle use can mitigate this issue.
- Debris Ingress: Despite the sweeper technology, tiny particles can sometimes make their way into the hinge mechanism, causing it to feel gritty or impacting its smooth operation. Keeping the device away from dusty environments can help prevent this.
- Hinge Stiffness: Some users might experience stiffness in the hinge, especially when the device is new. This usually improves with regular use as the hinge mechanism loosens up slightly.
Repair and Replacement
- Warranty and Service: Samsung typically offers a warranty that covers hinge-related issues for a certain period. If the hinge develops problems, it’s advisable to contact Samsung’s customer service for repair or replacement under warranty.
- DIY Repairs: Attempting to repair the hinge yourself is generally not recommended due to the complexity of the mechanism and the risk of further damage. Professional repair services ensure that the device is restored to proper working condition without voiding the warranty.
Images showing different stages of the hinge repair process. The display needs to be separated from the phone frame avoiding damage. Second and third photo show assembled phone with the new hinge.
Conclusion
The hinge of the Samsung Galaxy Z Flip 4 is a sophisticated and vital component that allows the device to function as intended. While it is designed for durability and longevity, users should handle it with care to avoid potential issues. For any problems that do arise, seeking professional repair services is the best course of action to maintain the device’s functionality and reliability.