Samsung Screen Flickering or Green Line? Causes & Fixes

Updated 29 July 2026 · By the MaxGuard Repairs technical team · Reviewed by Syed Hussain, Founder

Quick answer

Learn why your Samsung screen flickers or shows a green line. Discover safe checks and when to seek professional repair for lasting solutions.

If your Samsung screen is flickering or showing a green line, it could be due to software glitches or hardware issues. Start by rebooting your device and checking for software updates. If the problem persists, you might need professional repair.

Common Causes of Screen Flickering and Green Lines

Screen flickering or a green line on your Samsung device can be caused by several factors. Commonly, these include:

  • Software Bugs: Temporary glitches in the operating system can cause display issues.
  • Outdated Software: Running an outdated version of Android may lead to compatibility problems.
  • Physical Damage: A drop or impact can damage the screen or its connections.
  • Overheating: Excessive heat, common in the UAE climate, can affect the display components.

Safe Home Checks Before Seeking Repair

Before opting for a repair, you can try some simple troubleshooting steps at home. These steps are safe and often resolve minor issues:

  1. Restart Your Device: A simple reboot can fix temporary software glitches.
  2. Check for Updates: Go to Settings > Software Update and ensure your device is running the latest version.
  3. Safe Mode: Booting into Safe Mode disables third-party apps, helping identify if an app is causing the issue. To do this, hold the power button, then tap and hold 'Power Off' until 'Safe Mode' appears.
  4. Inspect for Physical Damage: Carefully check for any visible damage to the screen or the phone's body.

When to Contact a Professional Repair Service

If these steps do not resolve the issue, it is wise to seek professional help. Persisting problems might indicate internal hardware damage, which requires specialized tools and expertise to fix. MaxGuard Repairs offers free doorstep pickup and delivery across all 7 Emirates of the UAE, with a 24-48 hour turnaround and a 90-day warranty on repairs.

Frequently Asked Questions

Why is my Samsung screen flickering after the update?

Post-update flickering can occur due to incompatible apps or bugs. Try restarting your device or checking for app updates. If unresolved, a repair may be necessary.

Can a green line on the screen go away on its own?

While software issues might resolve with updates, a green line caused by hardware damage won't disappear without repair.

Is it safe to use my phone with a flickering screen?

Using a phone with a flickering screen is generally safe, but it can strain your eyes and worsen over time. Consider getting it checked if the issue persists.

How much does it cost to fix a Samsung screen?

The repair cost varies with the specific issue and model. For accurate pricing, visit our Samsung smartphone repair prices page.

To ensure your Samsung device is back to optimal performance, book a repair service at MaxGuard Repairs by visiting maxguardrepairs.com/repair today. Enjoy the convenience of door-to-door service throughout the UAE.

Free Pickup & Delivery

90-Day Warranty

24–48h Turnaround

Still having the problem?

Our certified technicians will pick up your device for free, fix it, and deliver it back — usually within 24–48 hours, anywhere in the UAE.