I just updated the old thread that I referenced above to have a much more thorough, much more in-depth tutorial for how to flash a Librem 5 with nothing but an SD card. (No PC, no connector cables, etc). The guide contains a 32 step process that may take some time, but avoids the need for a PC or a thumb drive or whatever else. I wrote this based on memory and did not sit and test the guide tonight, so if anybody wants to try it and tell me that it didn’t work, feel free to reply on that thread.
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