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rt1d6m7/raspberrypi-4-boot-from-usb-device.md

Last active June 22, 2020 03:48
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Raspberry Pi 4 USB boot
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raspberrypi-4-boot-from-usb-device.md

Update USB Boot Firmware stable using Raspberry Pi OS

sudo apt update && sudo apt full-upgrade

sudo reboot

sudo nano /etc/default/rpi-eeprom-update and replace critical or beta to "stable"

sudo rpi-eeprom-update -d -f /lib/firmware/raspberrypi/bootloader/stable/pieeprom-2020-06-15.bin

sudo reboot

Check bootloader version using vcgencmd bootloader_version

Boot existing OS from USB

Copy newest *.dat and *.elf files from https://github.com/raspberrypi/firmware/tree/master/boot to /boot partition

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