Display purple line issues

Unfortunately, this problem appears after the update, then you can change the screen same phone price.

No solution except changing the screen this is common issue in amoled/oled screen in many phones not just samsung because of overheating when the phone heats by the time the display flex cable which is attached in screen get lose connection and no way to fix it

To address the problem you are encountering, we recommend trying the following steps:

Restart Your Device: Sometimes, a simple restart can resolve software-related issues. Please try restarting your device and check if the lines persist.

Check for Software Updates: Ensure that your device is running the latest software version. Go to Settings > Software update > Download and install to check for any available updates.

Safe Mode: Boot your device into Safe Mode to determine if the issue is caused by third-party apps. To do this, press and hold the Power button, then press and hold the Power off option until you see the Safe Mode prompt. Tap "Safe Mode" and check if the lines still appear.

However, if the issue persists after following these steps, we recommend seeking personalized assistance by visiting the nearest service center. You can find the location of the nearest service center by referring to this link: https://www.samsung.com/ae/support/service-center/.