
Technical Documentation Team Approved by: Systems Engineering Lead
| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | "Invalid firmware image" | Wrong file (e.g., for V1 instead of V2) | Re-download from official source, verify MD5 checksum. | | "Update failed: Low flash storage" | Too many logs or old packages | Perform a factory reset from CLI, then retry. | | Device stuck in boot loop after update | Corrupted config or power dip | Use : Hold reset button while powering on, then TFTP a fresh image. | | Cellular modem not detected | Modem firmware mismatch | Download separate modem firmware from OEM site and flash via USB console. | | Web UI inaccessible after update | IP address reset to default | Use nmap or arp -a to find new IP, or connect via console cable (115200 baud, 8N1). | tr6703 v2 software download updated
: If the picture is inverted after the update, you may need to enter the Factory Menu Input + 208 Input + 2580 ) and toggle the "Mirror" setting. No Display | | Cellular modem not detected | Modem
Connect the TR6703 unit to your workstation via the appropriate data cable. No Display Connect the TR6703 unit to your
Support and troubleshooting:
Confirm the physical label on your device explicitly states V2 . Installing V2 software on V1 or V3 hardware will permanently damage the unit.