|  08-03-2025, 05:27 PM | #1 | 
| Junior Member  Posts: 3 Karma: 10 Join Date: Aug 2025 Device: Kindle 3g+wifi | 
				
				KUAL NOT OPENING ON MY KINDLE GEN 3 (3G+WIFI) FW :3.4.3
			 
			
			hello , i hope someone can help me if possible i have a kindle gen 3 (3g+wifi) FW 3.4.3 i have jailbroken it fine i cant register it as i formatted it before and jailbroke it. i have uploaded kual but it wont open just say " developer has not authirized yo to use this title" or something of the like. i have downloaded the correct cert and placed it in the root of my device does anyone know how i can fix this please | 
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|  08-03-2025, 05:36 PM | #2 | 
| Junior Member  Posts: 3 Karma: 10 Join Date: Aug 2025 Device: Kindle 3g+wifi | 
				
				??
			 
			
			i have sorted the registering and now my amazon account is linked but i atill cant access KUAL
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|  08-03-2025, 06:25 PM | #3 | 
| Fanatic            Posts: 508 Karma: 3579239 Join Date: Jul 2023 Device: Scribe 2022, OA2, PRS-350 | 
			
			Did you install the 2025 Dev Certs update?
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|  08-04-2025, 04:46 PM | #4 | 
| Junior Member  Posts: 3 Karma: 10 Join Date: Aug 2025 Device: Kindle 3g+wifi | 
				
				,
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|  08-05-2025, 04:54 PM | #5 | 
| Enthusiast  Posts: 49 Karma: 94 Join Date: Aug 2024 Device: K2 / K4 / PW5 | 
			
			The DevCerts update should be a .bin file. You need to put it in the root and then run "update your kindle" from the settings menu.
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