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* Switch to building the Pi4 firmware from the common Pi4/Pi5 mainline release. This doesn't change the Pi4 features but should make it quicker to release bug fixes in common code. * Fix issue that caused the TRYBOOT flag to be lost in secure-boot mode. * dtoverlay: Use %u when converting u32s to strings See: https://github.com/raspberrypi/linux/issues/6039 * Improved debug messages for secure-boot. * Generate the bootloader diagnostics qrcode at run time.
rpi-eeprom
This repository contains the scripts and pre-compiled binaries used to create the rpi-eeprom package which is used to update the Raspberry Pi 4 and Raspberry Pi 5 bootloaders EEPROM images.
Support
Please check the Raspberry Pi general discussion forum if you have a support question.
Reset to factory defaults
To reset the bootloader back to factory defaults use Raspberry Pi Imager to write an EEPROM update image to a spare SD card. Select Misc utility images under the Operating System tab.
Bootloader documentation
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