Try there and do not forget Subcribe to news Linux Dex Note 9 Dex again in Oficial webpage in last links and download instructions for upload later, then I give you a possible link out of date without responsabilities if does not work because as I tell you again is only for test as Betatester during last months, I don't know if it is active and working in this moment. 
https://beebom.com/install-linux-on-dex/
Compare with Samsung instruction for be sure you are a monster in Linux Dex my friend
Thx for this, but i dont trust apk outside of samsung and play store 
then be patiend and calm and subscribe for news open beta hassanayoub855 Uffff longgg hahahahah
When is available you will have an easy link to app as other models as I teach you :kiss::kiss:
Buy but you can test witout problems, test, not to use along, it is beta and could be not a excellent reallity of power en beta and use it at work in this moment...imagine...error with an summary.....noooooooooo whyyyyy dexxxxxx...it is bete for now
I hope I helped you if you have any further questions. I'm here for a while.
See you @hassanayoub855
