[TUTORIAL] LattePanda Alpha & Delta Bios Reflash via BIOS Programmer

If you're having trouble with your LattePanda Alpha & Delta, here's the place to get help.
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If you have not found a solution, post a new issue. To speed up the process please let us know:
- Have you tried the solutions listed above?
- What board are you using? Standard (2GB RAM/32GB eMMC) or Enhanced (4GB RAM/64GB eMMC)?
- Have you tried any other solutions?
- How long have you had your board for?
- When did you first boot your board?
- Did it work ok before the issue occurred or has the issue always been there?
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You can find the RMA guide [here]

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LattePanda
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Posts: 2755
Joined: Wed Jan 20, 2016 9:09 am

Thu Apr 29, 2021 1:21 am

vid_est wrote:
Wed Apr 28, 2021 4:27 pm
I was following my process for updating the bios for auto power on and didn't realize the "Newer" LattePanda Alphas that I was working with were the KR310. I accidentally flashed the KR300 auto power on bios onto them and ran the efuit.efi command with the KR300 bin files.
I have tried overwriting the bios directly to the chip using a CH341 programmer. I pass write/verify and a visual spot check looks like everything is correct but the Panda won't boot.
Is it possible the bios file on Github is incorrect or have I done something to the EC Rom that I cannot fix?
Any help is greatly appreciated.
Hello, if you updated a wrong EC file, it can not be fixed by this tutorial. pls contact techsupport@lattepanda.com for help.
Enjoy Tinkering with LattePanda ! :lol:

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gfa
Posts: 2
Joined: Wed Mar 03, 2021 10:20 am

Thu Apr 29, 2021 8:19 am

Hi,

With an CH341 programmer you can work on the BIOS, but not on EC ROM (second step of update process with command "eFuitX64.efi /u XXXX.bin"). If the EC ROM is corrupted then you cannot do anything else or your side, you need to contact LP support with an detailed explanation of the steps you followed and status. They may proposed you to send the LP back in the factory in China to overwrite EC ROM.

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