We are sorry about your experience with your Samsung Galaxy S23 Ultra having issues with a display refresh rate glitch, and we apologize for the inconvenience it caused you.
If you can insert or attach a photo by clicking +, would be a good help to identify your device issue.
In the meantime, if it's a software issue, you can check your device's software to see if it's updated to the latest version. Follow the steps below to update the software on your mobile device.
If that doesn't fix the problem, you may submit an error report through the Samsung 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.
How to submit an error report on Samsung Members app? | Samsung PH
If the problem persists, immediately bring your device to the nearest Samsung Authorized Service Center. Rest assured that our Samsung engineers and technicians are competent to assess your device with suggestions, and offer to provide prompt solutions to restore it up to optimum performance.
For more assistance and guidance, you may contact us via our online Samsung Customer Care support channels below.