To download and install the official firmware package for your monitor:
The root cause: a timing misalignment in the firmware’s power sequencing logic when the module detected it was in the “primary/top” position. This didn’t affect bottom or secondary slots. pegm2b382 firmware download fixed top
For advanced users, official ROM files are sometimes hosted on the OPPO Global ROM page To download and install the official firmware package
This is the most reliable way to find the exact "fixed" version for your specific serial number. pegm2b382 firmware download fixed top