Ask HN: What is the closest option to a Fairphone available in the US?

I would like a Fairphone but the countries they ship to are limited [1] Is there a US company making something similarly hackable/serviceable and that is designed to run Lineage/e/Calyx? Or better, ships with that preinstalled? The size of the phone does not matter to me. Bonus feature for me would be if there was an open source engineering firmware available that provided full control and visibility into the baseband chips and exposed more cell site data. I had phones with the engineering firmware when I was in wireless ages ago and it was super useful. [1] - https://support.fairphone.com/hc/en-us/articles/202005103