SteeMan

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Are you sure? All references I can find for this box in a Google search say it would have an Allwinner h313 CPU.

If you are still using this image, there is a script in /root that is used to copy the image to emmc. (It is part of the instructions for that build posted here: https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus ) It brute forces some of the stuff you and hexdump have been discussing. But as far as what and how to copy over, this can be a guide.

https://docs.armbian.com/Developer-Guide_Build-Options/

Please provide the minimum basic information about what you are doing. We can't guess your environment. What build are you trying to install, what instructions are you following, what dtb file are you using?

balenaEtcher is the recommended tool for making SD cards and it also has the capability to clone one. It is available for all platforms.

I'm closing this topic, as it was determined the original poster wasn't using Armbian and the followup posts are therefore not relevant.

@microdoc Are you using Armbian (builds and/or build environment), or are you just posting here in the armbian forums looking for general guidance?

moved this discussion to a new thread

@SonicXiang Did the upgrade work (is the new kerkel installed)? Or is the box left unbootable?

@SonicXiang It should work. I haven't tested a kernel upgrade yet, but if it doesn't work, that would be a bug that needs to be fixed.

Doing some forum cleanup and moved this thread to the appropriate forum

Start by reading the following two FAQ posts: https://forum.armbian.com/topic/16976-status-of-armbian-on-tv-boxes-please-read-first and https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus

Moved post to the correct forum

Please read the following two FAQ posts first: https://forum.armbian.com/topic/16976-status-of-armbian-on-tv-boxes-please-read-first and https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus

Moved to new thread in appropriate forum

My first thought is that you don't actually have emmc in your box. You don't provide any details, so I am just guessing. I have 'identical' TX3 Mini boxes that on one the emmc works fine and the other it is not detected. When I opened the box, it turned out the manufacturer installed cheaper nand instead of the claimed emmc. And mainline kernels don't support nand storage. It is very common that boxes may not contain the components claimed (or can change randomly over time in an effort to cut production costs). This is one of many reasons TV boxes aren't supported by Armbian. https://forum.armbian.com/topic/16976-status-of-armbian-on-tv-boxes-please-read-first/

Moved post to the correct forum

@brusli Also given that the archived builds @s-petersen linked to are over 3 years old, I'm not sure they are something you would want to use anyway (even if you trust a random third party download site). Three year old builds equal three years of unpatched security vulnerabilities.

@hadestlse It is assumed that you have the knowledge and skills to build linux kernels and apply patches if you are going to attempt to do that. If not then I wouldn't recommend trying to incorporate the patch @hexdump referenced above. Not knowing your level of developer knowledge, I would first point you towards the Armbian developer docs. https://docs.armbian.com/Developer-Guide_Build-Preparation/

Please start by reading the two TV Box FAQ posts: https://forum.armbian.com/topic/16976-status-of-armbian-on-tv-boxes-please-read-first and https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus

Moved post to correct forum

Moved post to the correct forum. Please read: https://forum.armbian.com/topic/16976-status-of-armbian-on-tv-boxes-please-read-first The build you are using is over 2 and a half years old. Please read: https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus (Note that you may need to change the extlinux.conf file to read: "LINUX /uImage" , I am investigating an issue, but I haven't yet confirmed it on an s905x3 box like yours).

@vcmsptx Also, there is no meson-g12a-gt1-mini-a dtb file in these builds. Where did you get that? And are you sure you put it in the correct location? Also are you sure that dtb file is compatible with a mainline kernel?