A developer named pragyaangaur has built Inkwell, a full Alpine Linux userspace distribution for the 7th generation Kindle Paperwhite 3. The device must be jailbroken first and remains locked to Amazon's aging kernel, but the result is a functional Linux environment on hardware that sells used for under $100.
Inkwell ships with a custom front end, games, a browser, an ArXiv search client, an ePub reader, and Quill: a local LLM chatbot running SmolLM2 via llama.cpp directly on the Kindle's processor. It runs at 1.7 words per second. That number is worth sitting with, because the inference happens entirely on-device with no cloud dependency. The project also supports a clean rollback to stock firmware.
The full project is on GitHub and the technical details of running llama.cpp on constrained e-reader hardware are reason enough to read it. This is a working template for air-gapped, low-power LLM deployment on commodity ARM hardware that most people already own.
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