Upgrade — Ec230-g1 Firmware

| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | TFTP timeout | Windows firewall blocking port 69 | Disable public firewall or use a Linux live USB. | | Bad CRC after flash | Corrupted .bin file | Redownload; ensure binary mode in FTP client. | | Device boots to U-Boot> loop | Kernel partition misalignment | Repeat the erase and cp.b steps with 0x160000 length. |

Before you close this guide, ensure you have: ec230-g1 firmware upgrade

Do not skip this checklist. A bricked EC230-G1 requires an RMA and a factory jig to recover. | Symptom | Likely Cause | Solution |