to continue those pretty old and outdated threads, I’d like post some fresh video links helping new users to get a good point to start with setting up their Syncthing devices.
This one is quite new, and describes configuring and using untrusted devices and receive encrypted folders.
[2021/06/09] [EN] Configuring SyncThing Untrusted (Encrypted) Devices by Lawrence Systems
The one below is in Polish. It talks about configuring Syncthing in Linux and Android. There aren’t many Polish videos that discuss Syncthing, and this one is quite detailed when it comes to configuring and using it for the first time.
[2020/11/28] [PL] Syncthing - Współdziel pliki między swoimi urządzeniami automatycznie bez żadnych serwerów i chmur ! by Świat Linuksa