The horizontal line on your Samsung S21 FE's screen after the October update can be frustrating. Let's explore possible causes and solutions:
*Hardware-Related Issues*
1. *Screen Damage*: Physical damage to the screen can cause horizontal lines. Inspect your screen for any signs of damage. 2. *Loose Connections*: Verify that all internal connections, such as the screen connector, are secure.
*Software-Related Issues*
1. *Update Glitch*: The October update might have caused a glitch. Try restarting your phone in Safe Mode. 2. *Cache Issues*: Clear the system cache (Settings > Storage > Internal Storage > Cache) and wipe the cache partition (recovery mode). 3. *Firmware Issues*: If the issue persists, consider downgrading or re-flashing the firmware.
*Display Settings*
1. *Screen Resolution*: Ensure the screen resolution is set to its default value (Settings > Display > Screen resolution). 2. *Display Zoom*: Check if Display Zoom is enabled (Settings > Display > Display zoom).
*Advanced Troubleshooting*
1. *Boot in Safe Mode*: Restart your phone in Safe Mode to isolate third-party app issues. 2. *Perform a Factory Reset*: If all else fails, consider performing a factory reset (Settings > General management > Reset > Factory data reset).
*Samsung Support*
1. *Visit Samsung Support Website*: Check the Samsung support website for any known issues or software updates. 2. *Contact Samsung Customer Support*: Reach out to Samsung customer support for further assistance or to schedule a repair.
If none of these steps resolve the issue, it's possible that there's a hardware problem. You may want to visit a Samsung authorized service center for further diagnosis and repair.
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Kindly complaint to Samsung customer support through Samsung Members App as error report also send log files Along with this error report for this issue. Then go to service center for replace/repair it's. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.
