Leo
3
Some models have two kinds of firmware, like GL-AR750S, then the .img firmware is for uboot.
For GL-MT1300 Beryl, it only has one kind of firmware file, .bin file, so just use it for manual upgrade in web Admin Panel or uboot.
https://docs.gl-inet.com/en/3/troubleshooting/debrick/
https://dl.gl-inet.com/?model=mt1300