Questions about completely removing the cellular modem

[matt2]

I cannot answer all of your questions at this time, but I have removed the cell modem in a birch model and I can make calls using SIP:

Librem 5 camera software

These were taken with just the torch light with the new white balance preset from the merge request above: [phone-birch] That was the birch model. Because most of Purism’s stuff is black (which is why I included the green and blue circuit boards), and black does not test white balance that well, I also took this picture: [book-ahggtt2c] I used the auto setting for most parameters. I probably could have dialed in a few things better. For the book, the colors are, for the most part, natura…

I was testing the color balance on the built-in LED in that picture with another Librem 5.

When the kill switch is turned on, the modem is indistinguishable from being physically removed. This is a common use case, so I expect that the rest of the phone should work as normal. The cell modem’s firmware settings may be out of date if you ever put it back in, but maybe there will be a published procedure for fixing that at some point (currently you have to e-mail support to do this). Purism has said to put the kill switches in the off position (which is basically the on position in more basic terms) when updating the phone for this reason, but the updates seem to skip over the absent cell modem just fine.