Please help I am a technical dinosaur - I use my android mobile as a hotspot to watch streams on my Amazon Firestick - I bought this model today in an attempt to boost my signal and in turn my Mbps to get faster streaming-

Problem is I do not have a clue what I'm trying to do - I plus in the extender and 2vlights come on ? What next I can find link extender on my Firestick menu it is saved but has no internet connection - how do I link the extender to my hotspot ? Please basic answers please - I don't know where to find it or what do I type in - Help please