First off, welcome to the site :hello: !
Second (and I hate to say) if the device for which you are asking support for is one of those off name in-expensive ones; also known here as a Chinese clone or something or other like that, you may have a hard time getting everything to work.
We have had several scattered discussions here about the 'Chinese' knock off devices and the problems they have. Unfortunately, we have yet to find a central location to post any warnings about them.
If you can find an exact make and model # we can attempt to help you further.
good luck
p.s., this post is not intended to impugn any user here who lives in China.