GL-MT6000 - Flint 2 - Increase WiFi power?

Is it possible to increase the WiFi transmit power (TX power) on the GL-MT6000 (Flint 2) beyond the default limits?

In my case, there are no regulatory restrictions in my location, so I would like to know if there is a way to safely unlock or maximize the full transmit power of the device.

I have already tried changing the country code (for example to US) and tested both GL.iNet firmware and OpenWrt, but the TX power still seems capped in LuCI.

Is there any firmware, driver setting, or SSH configuration that allows the router to reach its full hardware capability (e.g. up to 30 dBm on 2.4 GHz)?

Any advice or working configuration would be appreciated.

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In the official firmware, tx power cannot be adjusted,

If you still want to adjust the wireless power settings in LuCI, you can try updating to the V4.8.3-op24 firmware, which is based on the OpenWrt 24 driver.
Here is the download link: https://dl.gl-inet.com/router/mt6000/openwrt24