Members app as follows:
Step 1. Long press Samsung Members icon on Apps screen and tap Error reports.
Step 2. Tap OK on agreement popup to send system log data.
Step 3. Select Symptom category "Display".
Step 4. Describe the problem in details and SEND.
2nd step nearest authorized samsung service center for them to diagnose
3rd communicate with samsung support
Thanks for reaching out to us in order to find out about other users' similar experiences with their Samsung Galaxy S20+ having issues with pink and green lines on screen.
As you may be aware, once you submit your device to a Samsung Authorized Service Center, it will be assessed by our competent Samsung engineers and technicians to check the root cause of the problem. Then, you will be notified, provide guidance, and offer to have it restored to optimum performance.
You may have the option to locate the nearest Samsung authorized service center in your area.
or book an appointment with the Samsung Members app as follows:
Support > Book an appointment to set one.
Should you need further assistance and guidance, you may contact us via our online Samsung Customer Care support channels below.