: Do NOT turn off the power or disconnect the cable during the upgrade, as this can "brick" the device. Also, ensure you are loading the correct firmware version, as loading the wrong file can cause the signal meter to stop functioning. If you'd like, I can help you: Find the official download links for the firmware.
: Ensure the meter is fully charged to prevent power loss during the flash process. Software Upgrade Procedure (PC-Based) Connect the Device : Connect the satlink ws6906 software upgrade