Best for: Units without Wi-Fi/Ethernet connection or if the unit is "bricked" or stuck.
This is the most reliable method if you cannot do it OTA. You will need a USB drive (FAT32 format).
| LED Pattern | Meaning | |-------------|---------| | Blinking blue | Downloading firmware | | Solid orange | Installing firmware | | Fast blinking red | Update failed | | Solid green | Success – rebooting | vestel wallbox firmware update
Tap the settings gear (usually top right or bottom of the device screen). Scroll down to “Firmware Update” or “Device Upgrade.”
| Error | User Action | |-------|--------------| | Download timeout | Retry with longer interval | | Checksum mismatch | Re-upload firmware file | | Battery low on wallbox | Delay update until stable power | | OCPP disconnection during update | Resume after reconnect (stateful) | Best for: Units without Wi-Fi/Ethernet connection or if
Prerequisites:
Step-by-step:
Common OTA failure reasons: