Tips to Reset GL.iNet Router.

You can reset GL.iNet router to eliminate the issues within the router. For the reset, locate the reset button on the router. Now, press the reset button and hold it for some time.
After 10-15 seconds, you can release the reset button. The reset is complete and all the factory default settings should be back. The issue you were facing should be gone as well. Ensure to set up the router from scratch correctly.

https://gl-routrs.com/how-to-r....eset-gl-inet-wifi-ro

Guideline for Uppoon Wifi Extender Setup.

You must proceed with the Uppoon WiFi extender setup correctly to make the most of it. Without a proper setup, the extender will not function effectively. There are two methods you can use to set up the extender.
You can either set it up through the web interface or using the WPS button. For the former method, you require the default IP address to access the login page. Whereas, you can set up the extender within a few minutes, using the WPS button.

https://wirelessboosterax.com/....uppoon-wifi-extender