The hardware inside your phone has a lot more potential than you think. Even if it’s half a decade old, it has significantly more powerful hardware than an entry-level NAS or even a Raspberry Pi, which many of us use for home automation. I have already turned my phone into an always-on Jellyfin server so I can stream movies without keeping my computer running. Since then, I have kept finding more things for it to do. My old phone is an almost four-year-old device from the Chinese phone maker iQOO, and it is now one of the most useful devices...