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Following up on our report for Linux 5.17 this summarizes the progress on mainline support for the Librem 5 phone and its development kit during the 5.18 development cycle. This summary is only about code flowing upstream.

Librem 5 camera support

This time it’s been all about various media drivers that are needed when using the cameras on the Librem 5 phone. As the mipi, csi and sensor drivers for the selfie cam are supported in the mainline kernel, we keep maintaining them as part of the community now. We sent these mostly minor but important fixes:

Suspend to RAM

Our recent work on suspend to RAM resulted in some patches to various drivers that failed in that situation. Actually, suspend to RAM is not yet being tested very well by the community and we want to change that. Here, incidentally, we also fix camera-related drivers. Everything is interconnected.

While we’ve enabled suspend to RAM in PureOS for the Librem 5 and thus allow users to experiment, we know of things that are still missing to make it stable. We’re working on it and will keep you updated.

Code review

During this round we contributed 5 Reviewed-by: or Tested-by: tags to patches by other authors. Again we would like to thank everybody who reviewed our patches and helped us supporting our hardware in mainline Linux.


Have a look at our Linux tree to see what is currently being worked on and tested (or help if you feel like joining the fun).

Purism Products and Availability Chart

 ModelStatusLead Time 
USB Security Token Purism Librem KeyLibrem Key

(Made in USA)
In Stock
10 business days
Librem 5In Stock
10 business days
Librem 5 + SIMple
(4 GB Data)
In Stock
10 business days
Librem 5 + SIMple Plus
(10 GB Data)
In Stock
10 business days
Librem 5 + AweSIM
(Unlimited Data)
In Stock
10 business days
Librem 11In Stock
10 business days
Most Secure Laptop Purism Librem 14Librem 14In Stock
10 business days
Most Secure PC Purism Librem Mini
Librem MiniApr 2024
Shipping April, 2024
Purism Liberty Phone with Made in USA ElectronicsLiberty Phone
(Made in USA Electronics)
Apr 2024
Shipping April, 2024
Most Secure Server Purism Librem ServersLibrem ServerApr 2024
Shipping April, 2024
The current product and shipping chart of Purism Librem products, updated on March 26th, 2024

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