Help guys,
I did the downgrade and the jailbreak, all fine, but at itens 7 and 8 I'm a little confused. I turned on wi-fi but to upgrade OTA, do I have to register, or not? When I tried to, every time I got the same error. Ok, then I did the install of MrPI and Kual Packages and after this I put the file update_kindle_paperwhite_v2_5.8.7.bin in /mrpackages dir, then I ran the Kual at my Kindle Paperwhite 2 and I clicked in Install MR Packages. It shows like it had installed, and reboots, but it hadn't. After all when I check the usb folder, the update_kindle_paperwhite_v2_5.8.7.bin is gone, and nothing happend. I still stuck in 5.4.3.2 jailbreak version. What am I doing wrong?