My raspberry pi model 4B was having frequent WIFI issues.
I read that a firmware update was made to address this, so I thought I would upgrade the firmware.
sudo rpi-update I now have newer firmware, but unfortunately, the rPi is now very unstable.
Every now and then, the screen will go full black, and the device locks up. This happens, e.g. when watching a youtube video.
Even though my device is cooled with passive heat-sinks, It has never crashed before the rpi-update command.
I know rpi-update is not without risks, but can my rPi be salvaged and returned to its former state?