You may be setting up your RAK hotspot miner with your mobile device, and things seem to go well until you are suddenly taken back to the main menu to set up your hotspot again.
Then, you receive the error message that says “Hotspot not found on onboarding server.” Although there isn’t much you can do to address it, here are the ways that worked for us:
Register After 30 Minutes
The first thing we advise you to do is to wait it out. After being returned to the main menu to set up your hotspot again, wait for about 30 minutes. Based on our experience, we were able to reconnect after waiting around this time.
When the API database  is overloaded, you will need to wait some minutes for the data to be loaded again. Alternatively, you can log out of your account and login back. We believe any of these should resolve the issue.
Contact Helium Network Support
If you have optimized your internet connection and tried switching to a wired one, but still didn’t work, it might be time to reach out to Helium’s official support team.
In most cases, this might happen because of an API database overload, if the server is undergoing scheduled maintenance, or if your account has been banned or suspended.
If any of this is the case, the support team will give you detailed information about your problem. They may also provide you with the necessary troubleshooting steps to resolve the issue.
An overloaded API database usually causes the “hotspot not found on the onboarding server” error on Helium. You need to wait for a few minutes before trying again.
However, another common culprit could be an unstable or slow internet connection. Make sure to check these before forwarding your concern to their support team.