Also reasonably well supported:
- Pixel 3a
- OnePlus 6/6T
- Fairphone 4/5
The above 3 work in PostmarketOS, but not the Nord N10/100
The Xperia devices can be licensed by paying for the ability to use the Android runtime in Sailfish.
Value sweet spot: Xperia 10 III dual-SIM, but without US 5G bands
https://www.gsmarena.com/sony_xperia_10_iii-10698.php
Xperia XA2 (4g) can run iodé
Jolla C2 is reasonably affordable
Volla phones can run it too, besides Ubuntu Touch
https://forum.sailfishos.org/t/volla-installation-guide/16658
Yes, you can still use it as a mobile hotspot with service, and that can be useful.
Casio W800 module has a countdown timer (CDT) function that is locked or not active. In this video, we did Casio W800 Timer Modification and make the timer f...
https://www.watchuseek.com/threads/hidden-function-in-my-casio-w800h-module-what-the-heck-can-i-turn-it-on.650650/
Installation:
https://www.youtube.com/watch?v=s5IYBeU6_m8
Looks like the same seller is on Etsy.
Installing TWRP on an Android device is the first step towards custom development. Here's how to install TWRP on your phone in quick and easy steps!
Good price, just quiet enough to consider
Doesn't do 1900 HSDPA or have a flash, but a cheap candidate for a Firefox phone in a small package. Maybe it would work on MetroPCS..?
Not sure if this works with Android >4.0.
24.5 dBA is respectable.