Quote:
Originally Posted by KrautHolg
Greetings from Germany. By now I have three K4NT and on all three I updated to 4.1.3
On two of them I was successful getting KUAL to work again after a while, but with number three I am not so successful. I have been reading and rereading and when I try to do everything from the beginning again, I get the error code “Update unsuccessful” when trying to install Update_mkk-20141129-k4-ALL_install.bin
What could I be doing wrong?
The error message when trying to run KUAL is “This device is not authorized as a test Kindle by the developer of this item. Please contact the developer.”
Cheers!
KrautHolg
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The model numbers of each of them please:
https://wiki.mobileread.com/wiki/Kindle_Serial_Numbers
Then try the MKK update package from:
https://www.mobileread.com/forums/sho...d.php?t=225030
And report back.