Rak or Mntd Helium hotspot with one of these issues? Or maybe you run a 32GB card? Shows "Disk Error" in the diagnostics Is not booting up (cannot connect over Bluetooth anymore after pressing the pairing button) Shows a solid or flashing green status LED Shows a very old firmware version in diagnostics Follow this guide on how to replace your SD card on a RAK helium hotspot Where to grab the firmware from: https://support.getmntd.com/hc/en-us/articles/6832177438999-Replacing-the-SD-card SD Flashing software: https://www.balena.io/etcher/ SD Card I used: https://www.amazon.co.uk/SanDisk-Endurance-Monitoring-Dashcams-MicroSDXC/dp/B07P3D6Y5B/ follow this from rak first: If you are feeling out of sync issues, please run a diagnostic report. You can use this app to retrieve a detailed diagnostic report: https://github.com/kent-williams/hotspot-utility YOU ONLY NEED TO REPLACE OR REWRITE THE MICROSD THAT COMES WITH YOUR HOTSPOT IF: - shows "Disk Error" in the diagnostics - is not booting up (cannot connect over Bluetooth anymore after pressing the pairing button) - shows a solid or flashing green status LED - shows a very old block height and/or firmware version in diagnostics - If its stuck in the same block after 2 diagnostics done 24 hours apart