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Old 08-21-2025, 11:09 AM   #1428
SpartanHeavy
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SpartanHeavy has learned how to buy an e-book online
 
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Join Date: Aug 2024
Device: K2 / K4 / PW5
Quote:
Originally Posted by Kindler_jv View Post
still it says that "this content is not signed by an authorized developer". What should I do? It is not clear to me.
Did you install the DevCerts update? You should have downloaded the DevCerts zip file from here, copied the .bin installer from it to your Kindle's root directory, and then used the "update your kindle" option in the settings menu.

Also, you need to make sure that your Kindle has the latest firmware, version 4.1.4. The latest KUAL version won't work if your firmware isn't up to date.
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