Rut955 firmware upgrade "invalid" image

Error on any firmware upgrade.

syslog
[SYSTEM INFORMATION]
mac: 000000000000
maceth: 000000000001
name:
wps:
sn: 0000000000
batch: 0000
hwver: 0000

[Active SIM]]
{
“sim”: 1
}

[Firmware version]
RUT9_R_00.07.01.2

[Time]
Fri Apr 12 10:57:46 EEST 2024

[Uptime]
10:57:46 up 27 min, load average: 0.26, 0.39, 0.48

[Build string]
Linux version 5.4.147 (app@runner-xs3tzhbe-project-352-concurrent-1) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r16279-5cc0535800)) #0 Tue Aug 31 22:20:08 2021

Hello,

It seems that your router parameters has been lost and to effectively resolve this issue, we will need to conduct a remote session where I can assist in restoring the device’s information.
I’ve sent you a form to fill out for further assistance. Once completed, we’ll reach out to you privately to help resolve this problem. Please use ‘5256’ as the ticket ID

Best Regards,