Huawei Router WS5200 V2 - Get shell

For Developers
1

I found TX and RX on the board and basically I want get the UART shell but if i boot I'm only able to the bootlog, is possible to get the shell?

photo:
https://drive.google.com/file/d/155O9gliTa8vEAZMZWND-laz7-1OPLhDq/view?usp=sharing

this is the bootlog:

Ubuntu Pastebin

I'm also trying to get the firmware from huawei for a small reverse engineer

2

Huawei (Europe) said me that they don't have at all the firmware, so I can't download it