@Kevin_Z both phones have same internet provider. But it's works almost but some time it can't connect.. right now I am using static IP.. that also some times can't connect.. dynamic IP doesn't...

@Kevin_Z yes I want to extend hot spot of mobile.. but it's wotks fine some time dynamic IP shows nothing 000000 everything is ZIro.. I have two phones I always swipe hot spot.. everything is connect...

@LUCA-CAMINO I have android phone I have same problem. in conclusion. I would this is a behavior of Chinese products.. they are not mastered in it.. or they do not have their own products by research.

@Kevin_Z doesn't work