Logic Machine Ambient not taken upgraded img file

[Rajesh]

We are attempting to flash firmware in LM Ambient, but whenever we try to flash the firmware an error shows up saying invalid file. Can you please share new firmware file with us. The fimware we tried to upload were.   
1) lmwall-20200720
2)lmwall-20170620

 We have followed instruction provided by the following link
https://openrb.com/reflash-logicmachine3...-software/

[Daniel]

In USBit you should use image recovery from here
https://openrb.com/firmwares/

[Rajesh]

we get error while doing img rcovery."
"Cannot upgrade, firmware image file is invalid"

[admin]

Which hardware model exactly do you have? Which recovery image have you used?

[Rajesh]

Which hardware model exactly do you have? Which recovery image have you used?

LM Ambient V1.2,1708,2501
1.lmwall20200720
2.lmwall20170620

[Daniel]

Can you find serial number? There should be a label on LAN port.

[Rajesh]

Can you find serial number? There should be a label on LAN port.

LM4LW_v1.4
LM4LWV141709323

[Daniel]

Use this recovery image
https://dl.openrb.com/recovery-imx6-1g.img.gz
and then this firmware
https://dl.openrb.com/lm-20-imx6/lmwallv2-20201111.img

[Rajesh]

Please shaer the Recovery img. and Firmwar for following serial no.
LM4LW v1.4
LM4LWV142006184

[admin]

See Daniel's post, he has already provided both links that you need.