We are sorry to hear about your experience with the recent updates on your beloved Samsung Galaxy A33 with phone overheating issues, and we apologize for the inconvenience it caused you.
I really understand what you are feeling right now, as I have expected the same thing after an update on my device that should provide improved performance, but if it's giving out different behavior, then I will get worried too.
But don't fret; we are here to guide, assist, and offer solutions to restore your device's camera app to optimum performance.
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 "Overheating".
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.