Excellent choice. My jellyfin server is great, there are buggy things but I’m committed to the foss lifestyle

What software are you using to self host and serve your library?

fail fast

I feel you. T9 on my sidekick in 2008 was better than my current predictable text. At one point my screen was so broken that I was using maybe a 1/4" sliver of the screen to text, and text prediction was solid enough to give actual suggestions

They’re acceptable for basic productivity but very sluggish if you’re coming from a flagship device. Get an S10 series if you’re looking for something cheap and Samsung

This has been fixed for a while now

Most routers have an option to point at a custom DNS first with a fall through for external DNS providers. Best bet is to log into your router and poke around