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[Synopsis]

[Note: Please do this at your own risk, because firmware updates can go wrong from time to time.]

This video shows you how to make your Raspberry Pi 4 boot from a USB drive. The model of Raspberry Pi 4 I am using is the 4 GB version. The reason why you would want to do this is to be able to use a more stable storage platform, because microSD cards weren't designed for writing large numbers of small files. A microSD card was designed to write large files, like video/audio files. You can buy a extremely reliable microSD card, but the cost of such drives are exorbitant. I'll give you an example, a Samsung PRO 128 GB micro SD card costs about $34.00, and a Western Digital Blue 500 GB SSD sata costs about $65. That translates to 26 cents/Gigabyte for the Samsung PRO, and 13 cents/Gigabyte for the WD SSD sata drive. In other words, you get more value for your money using the SSD. If you used a regular mechanical hard drive as a boot drive, you can get a 2 TB hdd for about $70. That translates to about 3.5 cents/Gigabyte, and HDDs are known for their reliability compared to micro SD cards. They are a bit slower than SSDs, but they can be used as a boot device if you want more space.

In addition, a SSD, or a mechanical hard drive is faster and more reliable than a microSD card. A hard drive is less expensive when it comes to price per gigabyte of data. A USB 3.0 port has a bandwidth of 640 MB/second, so a SSD can use almost all of that bandwidth. As a result, you will have a fast and reliable storage device for your Raspberry Pi 4.

When you finished updating and installing all the software, your Raspberry Pi 4 can still boot from the microSD card, but the first boot device will always be the USB storage device. As a result, you can boot your Raspberry Pi 4 from your USB port. I have tested this on a Raspberry Pi 4 2 GB model, and it worked fine as well.
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[Video Annotations]

♠ Terminal Command Entries Update Firmware
◙ [ 0:07 to 7:25 ]
♠ Terminal Command Entries Install beta bootloader, eeprom, change eeprom file, and update
◙ [ 7:26 to 11:06 ]
♠ Terminal Command Entries Check Bootloader version + config
◙ [ 11:07 to 13:07 ]
♠ Insert USB device and copy image on microSD card to a USB device
◙ [ 13:08 to 19:29 ]
♠ Shutdown and turn off Raspberry Pi
◙ [ 19:29 to 19:30 ]
♠ Remove the microSD card, and boot from USB device
◙ [ 19:31 to 21:08 ]
♠ Test
◙ 21:09 to End
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[Related Video]

◙ Raspberry Pi 4: Tutorial
• [ Ссылка ]
◙ Raspberry Pi 4: USB drive and micro SD test
• [ Ссылка ]
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[Code]

sudo apt update
sudo apt full-upgrade
sudo rpi-update
sudo reboot
sudo apt install rpi-eeprom
sudo nano /etc/default/rpi-eeprom-update
replace critical with beta
ctrl + x , y, and Enter

sudo rpi-eeprom-update -d -f /lib/firmware/raspberrypi/bootloader/beta/pieeprom-YEAR-MM-DD.bin
sudo reboot

vcgencmd bootloader_version
vcgencmd bootloader_config
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[Sources]

"Raspberry Pi 4 boot EEPROM." Raspberry Pi Org,
www.raspberrypi.org/documentation/hardware/raspberrypi/booteeprom.md. Access 26 May 2020

Piltch, Avram. "How to Boot Raspberry Pi 4 From a USB SSD or Flash Drive." Tom's Hardware,
www.tomshardware.com/how-to/boot-raspberry-pi-4-usb. Accessed 26 May 2020
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[Parts]

♦ Sabrent USB 3.0 to SATA External Hard Drive Lay-Flat Docking Station @ Amazon.com
• [ Ссылка ]
♦ WD Blue 1TB PC Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64 MB Cache @ Amazon.com
• [ Ссылка ]
♦ Samsung 860 EVO 500GB 2.5 Inch @ Amazon.com
• [ Ссылка ]
♦ Sandisk CZ48 128GB USB 3.0 Flash Memory Drive @ Amazon.com
• [ Ссылка ]
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[Links]

◙ Raspberry Pi 4 Related Videos
• [ Ссылка ]
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