When specifying which image to use for upgrading your
Linkstream2022 product, please check the label on the
underside of the box and use the appropiate binary file
for TFTP'ing to your device.

If the label reads any of the following:
LKS2022E/X.21
LKS2022E/V.35
LKS2022E/V.24

Then use the lks2022e-710d.bin image.

Otherwise use the lks2022-710d.bin image.