If you are needing assistance in setting them up or are having issues getting them to function, we recommend contacting the manufacture for help. The links below go to the manufacturers support page and the manufacturers technical support discord server, you should be able to get help on either. 
https://helium.nebra.com/support
https://discord.com/invite/helium
And here are some handy guides to help with the practical aspects of set-up:
https://helium.nebra.com/handy-guides/first-days
https://helium.nebra.com/handy-guides/h … l-location
https://nikhawks.medium.com/a-rough-gui … 96b0b81343
https://helium.nebra.com/handy-guides/a … connectors
Our returns policy for Nebra miner products are the same as reflected in Nebra’s return policy found here:
https://www.nebra.com/pages/returns-policy
For all other topics, feel free to post in this categoy.