SUMMARY STEPS TO REPRODUCE 1. install KDEconnect on KDE Neon (last update) 2. install KDEconnect on smartphone (last release) 3. KDEconnect on PC and on smartphone don't see each other OBSERVED RESULT as I said. EXPECTED RESULT KDEconnect on PC and on smartphone should see each other SOFTWARE/OS VERSIONS Operating System: KDE neon 5.20 KDE Plasma Version: 5.20.3 KDE Frameworks Version: 5.76.0 Qt Version: 5.15.1 Kernel Version: 5.4.0-56-generic OS Type: 64-bit Processors: 4 × AMD Ryzen 3 3200G with Radeon Vega Graphics Memory: 5,7 GiB of RAM Graphics Processor: AMD RAVEN ADDITIONAL INFORMATION
I think that the problem is in KDE connect on PC rather than on smartphone. Therefore, how could I downgrade KDE Neon Kde connect?
Indeed, the problem was on PC: the firewall! Solved following these instructions: https://forum.kde.org/viewtopic.php?t=139460 that is: Open gufw from app launcher Go to the Rules tab Click the [+] button to add a new rule Select the direction "Both" Select category "Network: Select Application "KDE connect" Click "Add"