GL-MT300N-V2 unable to be repeater for wifi network channel 13

Up to today I’ve been successfully using my GL-MT300N-V2 as a repeater for a Mifi device. The GL-MT300N-V2 connects to the Mifi’s wifi network in ‘repeater’ mode, and then I connect a device (Cisco VOIP phone) that only supports ethernet to the GL-MT300N-V2. This means the Cisco desk phone can effectively use the Mifi device’s network through the GL-MT300N-V2.

This suddenly didn’t work today because the GL-MT300N-V2 can’t find the Mifi’s wifi network anymore. If found the reason is that the Mifi has decided to go onto 2.4Ghz channel 13. The Mifi is provided by my work so I have no access to its settings to change what channel it chooses. I’m in Australia where ch 13 is legal, but my GL-MT300N-V2 came from Amazon so might’ve originally been shipped from the US (Australia’s Amazon actually ships a lot of things from the US directly).

My question is can I change the wifi regulatory domain to support channels 12-13 in repeater mode?

I’ve tried lots of things but no luck:
Setting the wifi regulatory domain on Linux and OpenWRT

You can ssh to the router and change the wifi settings.

For Japan you can use up to channel 14.

uci set'JP'
uci set wireless.mt7628.region='5'
uci set'13'
uci commit wireless

Thanks! That fixed it

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