Model No. TD-W8980, error carga firmware

Buenos dias.

He intendado cargar el firm: "openwrt-25.12.2-lantiq-xrx200_legacy-tplink_tdw8980-squashfs-sysupgrade.bin".
Me sale: Error code 4503. The uploaded file was not accepted by the device.

El equipo tiene:
Firmware version: 0.6.0 1.5 v000e.0 Build 140408 Rel.49241n
Hardware version: TD-W8980 v1 00000000

¿Alguna idea?

Saludos.

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Thank you.

Besides of this: Have you read https://openwrt.org/toh/tp-link/td-w8980_v1#installation?

Hello elder and thanks.

I find the recomended solution: Solution: Try TFTP installation instead of via OEM GUI.