The Samsung S21 Display Dilemma: Handling Screen Shutdowns and Bootloops


I’m experiencing recurrent issues with my Samsung S21’s display, likely due to accidental mishandling. The screen frequently turns off when placed on hard surfaces—about four times daily—though the touchscreen remains functional. It once remained off for an hour, and upon resuming, it behaved as if it had restarted. Additionally, the phone underwent a bootloop, after which the display showed signs of LCD malfunction. This was resolved after two restarts and hasn’t recurred in three days. Could you diagnose the problem and suggest if there’s a straightforward solution?


If you’re facing recurrent issues with your Samsung S21’s display, it’s essential to approach the problem methodically to find a solution. The symptoms you’ve described suggest a few potential culprits that could be causing the display problems.


Hardware Damage

: Frequent drops or placing the phone on hard surfaces can damage internal components, leading to intermittent display functionality.


Software Glitches

: The screen turning off and the phone behaving as if it had restarted could indicate software instability, possibly due to recent updates or corrupted system files.


Bootloop and LCD Malfunction

: This could be a sign of a more serious hardware issue, possibly with the phone’s motherboard or the display assembly itself.

Troubleshooting Steps:


Forced Restart

: Sometimes, a simple forced restart can resolve temporary glitches. Press and hold the power button for about 15 seconds until you see some life.


Safe Mode

: Booting your phone in Safe Mode can help determine if third-party apps are causing the issue.


Wipe Cache Partition

: Clearing the cache partition can fix problems that have been caused by corrupted cache files.


Battery and Display Settings

: Adjusting settings like the Adaptive refresh rate from 120 Hz to 60 Hz can sometimes alleviate display issues.

When to Seek Professional Help:

If the above steps do not resolve the issue, it’s likely that the problem is hardware-related. In such cases, professional repair services are recommended. Samsung’s official support channels can provide guidance on repair options, and if your device is still under warranty, you may be eligible for a free repair.

Preventive Measures:

To prevent future issues, consider using a protective case and screen protector to safeguard your device against accidental drops and impacts. Additionally, keep your software up to date to ensure any known bugs are fixed promptly.

In conclusion, while some display issues can be resolved with simple troubleshooting steps, persistent problems often require professional attention. It’s crucial to protect your device to minimize the risk of damage and maintain its functionality.


  • For detailed steps on troubleshooting, visit the provided resources.
  • – For official support and service options, check out Samsung’s support page.
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