Why do phone cameras start taking poor-quality photos over time? Find out the reason behind this..

Photos taken with a new phone's camera often appear quite sharp and detailed. However, after using it for some time, many users feel that the camera is no longer capturing images as well as it used to.

Sharpness may decrease, colors might look dull, and increased noise often becomes visible in low-light photos. However, a faulty camera sensor isn't always the culprit. Let’s explore the real reasons behind this...

**Dirt on the Camera Lens**
A phone's camera is constantly exposed to the external environment. Dust, oil, and fingerprints can accumulate on the lens while the phone is kept in a pocket or bag. Even a thin layer of grime on the lens can degrade photo quality. Dust on the lens can scatter light—especially when shooting at night—resulting in blurry photos.

**Scratches on the Camera Glass**
Over time, scratches of various sizes can appear on the phone's camera module. If there are significant scratches on the camera glass, light cannot reach the sensor properly, which can affect the photo's clarity and contrast.

**Camera Processing Issues Due to Software Updates**
Smartphone companies frequently roll out updates for camera apps and system software. These updates can alter photo processing, HDR, noise reduction, and color tuning, causing photos to look different than before. In such cases, the change in appearance doesn't necessarily mean the camera itself is faulty.

**Phone Overheating**
Extended gaming, video recording, or using the phone in a hot environment can cause the device's temperature to rise. Excessive heat can impact the camera sensor and image processing. Additionally, dropping the phone or subjecting it to a shock can damage the camera module's autofocus or optical image stabilization mechanisms. Even in such conditions, photos can turn out blurry, or the camera might struggle to focus.

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