DIY Updating the Firmware on your Raspberry Pi4 in 2023. - YouTube
Raspberry Pi 4 Firmware Update: All You Need to Know | All3DP
A Raspberry Pi 4 Firmware Update is available providing less heat, same speeds #RaspberryPi4 @Raspberry_Pi @tomshardware « Adafruit Industries – Makers, hackers, artists, designers and engineers!