Thanks knc1. That is good to know I have this dis-feature
As to kubrick on a kindle 3 also jailbreaking the device, I have found this NOT to be the case and I had to also apply
kindle-jailbreak-0.13.N.zip to avoid
Signature Verification Failed errors.
Details are here:
https://www.mobileread.com/forums/sh...2&postcount=12
Cheers
Jesse