Can i access my local blynk server when im out of my home network?

[PeteKnight]

I’d read this post in its entirety, and the other posts that are linked from within it…

How to setup my Blynk local server so that I can use it from out side my local network

I can use my Blynk sever using local network(using my wifi-router) , but I want to use my Blynk server from long distance using cellular network. I have already forwarded the ports 8443,8442,8441,9443 what else to do? please tell me in details. OS: Ubuntu 18.04 Blynk sever version 0.40.2

Pete.