Quote:
Originally Posted by Acidrain69
I’m getting the same “not signed by an registered developer” message. Kindle DXG with 2.5.8 firmware. Using kindle-jailbreak-0.13.N-r18833 and started with mkk 20141129 then tried the updated one from the last few weeks (dev certs 20250419). Kual v2.7.37 gives that error message. Also tried a factory reset. Also tried updating the time using usb networking. Did the fake register since this is a 3g only device.
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I had the same problem on my Kindle 2. KUAL v2.7.37 seems to be broken on the 2nd-gen Kindles (K2 and DX).
The old KUAL version stopped working because the keystore expired. You can get around that just by setting your Kindle's clock back to a date before it expired.
I got my K2 working again by setting the clock back a few years, using the old MKK and not installing the DevCerts update, and using KUAL v2.7.35.