Yeah, unfortunately. ChromeOS Flex is extremely limiting, biggest regret was switching to it....

I've spent a considerable amount of time going through the guide, but I haven't found any solutions for Linux. Additionally, Linux hasn't been mentioned at all in this entire thread. I'm completely lost.

I appreciate your reply. I have read that guide multiple times, yet I only understood that I need an external programmer to be able to proceed. Is that true? Is there any other way get the BIOS dump file?...

Hello, I have posted a reply to another thread about the Surface Pro 3 BIOS, asking for help to get my BIOS unlocked. I have not gotten a reply in almost a week, so I decided to come to this thread instead since it is more recently active.

As I mentioned in the other thread, I am on a Surface Pro 3 and trying to change my OS from ChromeOS Flex (Linux-based) to another Linux distro (ZorinOS in this case). However, to do so, my BIOS needs to be unlocked. I have been stuck on ChromeOS Flex since July 2023, completely unable to switch no matter what methods I have tried.

...

Hello. I will make this as short as I can. My Surface Pro 3's BIOS is locked. I have read this thread many times to understand the needed files. However, the issue is that my Surface Pro 3 is on ChromeOS Flex. So, I don't have any idea on how I can get access to these 'locked dumps' that are mentioned everywhere in this thread.

I don't know if my Surface's info will help with anything at this state, but I will post them anyway:
Model: Surface Pro 3 128GB 4GB RAM i5
Serial Number: 035152552953
BIOS Version: 2.16.1243 AMI
Current OS: ChromeOS Flex (Linux Based)...