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Add more methods to bypass a locked bootloader.

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Paul Philippov 2022-09-16 01:40:47 -04:00 committed by GitHub
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@ -204,6 +204,8 @@ flash a new bootloader you have to weigh up all the risks and benefits. In most
cases the original bootloader plus new kernel and new operating system should
work just fine. But there are exceptions.
#### Downgrading stock firmware.
Today, we see more and more cameras where access to bootloader console is
protected with a password. Thus, even if you connect to the camera's UART port,
all you will see after interrupting the standard boot cycle is a prompt for
@ -214,5 +216,19 @@ somewhere around July 2021, hence you need a firmware for your camera from an
earlier date. After you successfully downgrade your camera to a password-free
bootloader, you could install the OpenIPC firmware in a regular way.
#### Side-loading unlocked bootloader.
Modern cameras utilize fastboot protocol that allows camera to sideload a bootloader
into memory and then run it from there. Check if [burn](https://github.com/OpenIPC/burn)
utility supports your SoC.
#### Modifying stock firmware.
One way to bypass the bootloader protection is to dump original firmware and replace
bootloader there with an unlocked alternative. Or you could flash the entire OpenIPC
firmware since you have the chip in the programmer, anyway.
__DO NOT FORGET TO MAKE A BACKUP OF YOUR ORIGINAL FIRMWARE!__
[telegram]: https://t.me/OpenIPC