Install or Recover Your Raspberry Pi 4 Bootloader
In this guide we'll learn how to install a new bootloader on the Raspberry Pi 4. In most cases, the only reason you'd want to do this is if you're having trouble booting your Pi. But there are some cases where, like I ran into recently, you want to load a custom bootloader.
In either case, this guide will show you how to load a new bootloader onto your Raspberry Pi 4.
What is a bootloader?
A bootloader is a program that loads the operating system. On the Raspberry Pi, the bootloader is stored on an EEPROM (basically just memory that persists even when the the device is powered off). Sometimes, for various reasons, that EEPROM can become corrupt, and needs to be reprogrammed.
Raspberry Pi 4 Model B | × | 1 | ||
MicroSD card, 32GB | × | 2 |
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