Purism is probably too small to create a rugged phone for extreme weather. I never used RCS, and it looks like it's not supported even on the original OS, https

Purism is probably too small to create a rugged phone for extreme weather. I never used RCS, and it looks like it's not supported even on the original OS, https://docs.puri.sm/Hardware/Librem_5/Cellular_Networks/issues.html https://docs.puri.sm/Hardware/Librem_5/Cellular_Networks/iss.... > with a really big battery Instead of a really big battery, I take a couple of backup batteries with me. Replacing the battery takes 30 seconds.