During call screen off problem on poco device shorts

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fixing the "screen turns off during call" problem on poco devices: a deep dive

many poco device users have experienced the frustrating issue of the screen turning off unexpectedly during phone calls, even when the proximity sensor isn't being actively covered. this problem can stem from various sources, ranging from incorrect system settings to hardware malfunctions. this comprehensive guide will walk you through common causes, troubleshooting steps, and even provide code examples for a potential workaround solution if the issue persists.

*i. understanding the problem and potential causes*

before jumping into solutions, let's understand the underlying factors that can contribute to the "screen off during call" problem on poco devices:

*proximity sensor sensitivity:* the most common culprit is an overly sensitive or malfunctioning proximity sensor. this sensor, located near the earpiece, detects when the phone is held close to your ear during a call and automatically turns off the screen to prevent accidental touches. even slight variations in ambient light or minor obstructions can trigger the sensor incorrectly.

*screen timeout settings:* an aggressive screen timeout setting can exacerbate the problem. if the screen timeout is set too short (e.g., 15 seconds), the phone might think you're done using it during the call, leading to an unexpected screen off.

*gesture-based features:* some phones have gesture-based features (like raise-to-wake) that can interfere with the proximity sensor's operation. enabling or disabling these features might influence the behavior.

*operating system bugs or conflicts:* software glitches or conflicts within the miui operating system can occasionally cause the screen to turn off during calls. updates, custom roms, or even conflicting app installations can contribute to these issues.

*app interference:* specific apps with permission to access sensor data or call functionality might interfere with the pho ...

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