Only part of the phone screen works, what's the problem?

 If only a portion of your iPhone screen works, there are several potential issues that could be causing this problem. Understanding these issues can help you diagnose and effectively resolve the problem.

1. One of the most common causes is physical damage. If the phone is dropped or subjected to stress, the screen or internal components, such as the digitizer responsible for detecting touch input, can become damaged, causing this to happen. Even if there are no visible cracks, internal damage may still exist and require professional repair or replacement.

2. Software-related issues can also cause partial screen functionality issues. A malfunctioning app or recent software update can interfere with the responsiveness of the touchscreen. Restarting your device or booting it into safe mode can help determine if an app is causing the problem. If the screen works in safe mode, consider uninstalling recently added apps.

3. Additionally, a Screen Protector or Case can interfere with touch sensitivity. An improperly installed screen protector can create pressure points that affect touch input. Removing these accessories can help determine if the problem is caused by them.

4. Dirt or moisture on the screen can also affect touch sensitivity. Cleaning the screen with a soft, lint-free cloth can often resolve this issue. If a screen protector is applied, removing it may help.

5. If none of these solutions work, you may need to factory reset your device as a last resort. This will return the device to its original settings and can eliminate any software-related issues. However, it is vital to back up all important data before proceeding.

6. Finally, if the problem persists, it may indicate a more serious hardware failure that requires professional repair or replacement of the device.


To repair your phone, you may need most of the mobile phone repair tools, such as screwdrivers, blades, screen openers, heat guns and other mobile phone repair equipment. China Phonefix provides you with professional mobile phone repair equipment.

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