Sorry to hear that, about your experience with your Samsung Galaxy phone having camera orientation issues stuck on landscape mode and we apologize for the inconvenience it caused you.
Submit an error report through 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 "Camera".
Step 4. Describe the problem in details and SEND.
How to submit an error report on Samsung Members app? | Samsung PH
For more assistance, you may contact us on our online Samsung support channels below.
If the problem persists, immediately bring your device to the nearest Samsung Authorized Service Center.
Hope this content is helpful and your device's problem gets solved.
Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.