Why don’t you just upgrade via the uboot method described here: Debrick via Uboot - GL.iNet Docs The image file to do that, is available here: https://fw.gl-inet.com/firmware/snapshots/20221026_4.1.0_release3/b1300/openwrt-b1300-4.1.0-1027-1666811968.bin
That’s what I would do.