Quote:
Originally Posted by YRead
Yes, same here on a Kindle 4, serial # starting with 9023 1701. Getting "This item is not signed by a registered developer." Tried earlier with a Kindle Keyboard (3rd Generation) with same result. Both devices, tried install multiple times, concentrating on being sure to use the proper files. Hoping that a fix can be found - trying to keep my old devices out of the landfill! Thanks.
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Did you get the new KUAL version and install the DevCerts update?
https://www.mobileread.com/forums/sh...postcount=1295
That fixed the problem on my Kindle 4. It's just not working on my Kindle 2.