Hi, At first all my attempts were fruitless, but when looking at a working device (android box), i noticed that my USB to TTL converter was malfunctioning terribly. This lead me to believe that there may be an issue with my UART bridge. So i replaced it with one I ordered for an arduino and look and behold, after a bit of tinkering (with lots of pointers from the posts here) I got both boxes wby robertt1971@gmail.com - uBoot
Hi, I'm Robert, a fellow DNS320L owner (still). I also have a DNS327l, DNS323 and DNS321 .. all are still working, after so many years. Don't know if you are still active here after so many years .. but i have some questions, as I'm now in a similar situation. I have one working DNS320L and 2 non-working ones that have this blue flashing light issue, I soldred the Serialcby robertt1971@gmail.com - uBoot