What ' s the make and model ? I wrench in my spare time . Send me a message <| sep |> If you fiddle with the TX settings and set it to low , than you ' ll get longer battery life but weaker wifi coverage . As for signal reception , my Oneplus 3 gets better reception than the JioFi . But not that it matters because speeds are still quite shit on Jio . <| sep |> Agreed , although the real test of whether a point is good or not is who it convinces . If you undermine your point on purpose , don ' t expect to convince many . <| sep |> My IP address is just a personal one from my home ISP , so I guess the only way to get to it is to try a bunch of random ones which this particular individual managed to find despite the fact my IP changes on a regular basis because of our constant router resets . My application ' s readwrite operations are pretty basic , and usually just occur in the root directory of the app . It is entirely made up of my code , and I never really learned about ways to fix unauthorised network access in Java sockets . The JVM doesn ' t request administrator privileges when running though , so I doubt it can get very far when it comes to accessing system files .