@Kevin_Z But the dev team is currently working on an actual official release as we speak, so we can expect an official firmware with band selection soon-ish?

Thank you, you where correct I needed to upload the zip file directly instead of uncompressing the file.

@Kevin_Z my current version is 18101801

@jawks79 I'm trying to update the ISP for the M600 V1.Firmware 1.2.0.0.9.1 I found the correct page, downloaded and have the uncompressed the file. There are only two files located within the folder...