# Why Is My Phone Screen Turning Black in One Corner? If your phone screen turns black in one corner, you may see a small dark dot in the corner of your phone, a spreading black patch, or uneven spots on the display. This issue may appear in different scenarios after dropping the phone, bending the screen, getting liquid on the screen, or breaking the display. Knowing what causes **[black spots in one corner of a phone screen](https://devicefixes.com/blog/spots-on-phone-screen/)** helps you understand the situation and identify whether it is a minor phone issue or if a professional screen repair is required. ## What Causes Black Spots in One Corner of a Phone Screen? There are several reasons for spots on a phone screen, which may require different solutions. Depending on what you see in the black corner of your phone and how it behaves, you may determine the possible cause of the issue. ### 1. Physical Damage to the Display A phone screen can turn black in one corner due to physical damage even if the phone’s glass is not broken. The impact may cause internal damage and result in a phone screen black spot, a patch of dead pixels, or other display issues. A black spot in the corner of a phone screen may spread to the entire display if the phone was exposed to a strong impact. If you see an ink stain or an uneven black patch on your phone, it may indicate that the display was physically damaged. ### 2. Dead Pixels or Display Defects The phone screen may have dead pixels, which appear as a small black dot on the screen or a spot on the display. A black dot on a phone screen is often caused by a defective pixel or two, which can be fixed by a professional repair. However, a single pixel’s damage usually does not cause a black patch or multiple small dark dots. If you have several dead pixels or the spot on the phone display gets bigger, the issue may be in the display panel. ### 3. Pressure or Liquid Damage Putting the phone in a narrow pocket, sitting on the phone, or putting a heavy object on the phone may cause a dark spot on the phone screen. Similarly, liquid damage may result in spots on the mobile screen. The black thing on the screen caused by pressure or liquid damage may appear as a black spot on your phone, a dark spot on the mobile screen, or a phone screen dark spot that spreads over time. ## How to Fix a Black Patch on a Phone Screen If a software issue caused the black patch on your phone, restarting the device or updating the software may resolve the issue. In most cases, the phone screen issue caused by software glitches should be resolved by a professional repair. If the black spot on a phone screen is not a software issue, a professional repair is necessary to avoid further inconveniences. If the black patch on your phone screen is big, it may interfere with reading or using the phone. If the screen begins to behave abnormally and the black spot on the phone display spreads over time, a professional inspection is necessary. Before the phone screen stops working, back up your data to ensure it is not lost during the repair. If the screen becomes completely black and stops responding, it may be impossible to access your data. ## When Should You Get Your Phone Screen Repaired? If your phone screen turns black in one corner and this issue persists over time or after a drop or impact, do not wait for further issues. Contact a professional repair service to examine your screen and find out how to repair your phone. If your screen flickers, has colored lines on the display, stops responding to touch, or becomes increasingly hard to read, contact a professional repair service. At **[DeviceFixes](https://devicefixes.com/)**, you can book a phone repair online and organize a pick-up and drop-off of your device. Our professional repair technicians will examine your phone screen, identify the cause of the black patch, and recommend further actions.