Reading this causes embarassment from author's helplessness.
> I first tried GPT-5.6 Sol with reasoning effort set to Extra High. It wrote code to connect to the Kindle but couldn't resolve an error that prevented it from storing data on the device. Then I tried Fable 5.1 and Opus 5.5, but Anthropic's cybersecurity safeguards blocked each attempt after two prompts. Finally, I tried GPT-6 Astra with reasoning effort set to High. We were able to jailbreak the Kindle.
"We were able to".
It takes a modern AI human and 4 LLMs to do something that could be done by googling "kindle jailbreak" and following instructions - they have to be performed on Kindle anyway.
> I first tried GPT-5.6 Sol with reasoning effort set to Extra High. It wrote code to connect to the Kindle but couldn't resolve an error that prevented it from storing data on the device. Then I tried Fable 5.1 and Opus 5.5, but Anthropic's cybersecurity safeguards blocked each attempt after two prompts. Finally, I tried GPT-6 Astra with reasoning effort set to High. We were able to jailbreak the Kindle.
"We were able to".
It takes a modern AI human and 4 LLMs to do something that could be done by googling "kindle jailbreak" and following instructions - they have to be performed on Kindle anyway.