Write down the current version. You will need this if you ever need to roll back.
| Symptom | Likely Cause | Recommended Action | |---------|--------------|---------------------| | Device does not power on | Failed update or wrong firmware | Attempt recovery via serial/TFTP | | Boot loop | Corrupted image | Reflash with verified file | | No network after update | Settings reset to default | Reconfigure IP manually | | Checksum error | Incomplete download | Re-download firmware and retry | k8208-3w firmware update