Quote:
Originally Posted by katadelos
Any of the 1.8v or 3.3v adapters should work, you can get away with connecting only the RX/TX wires if your Kindle is plugged into the same PC via USB (common ground). The whole "3.3v serial will fry your device" is BS in my opinion, you'll be fine as long as you don't connect the voltage output of the serial adapter to anything.
You can downgrade over serial using the steps here as long as you have the 5.9.7 firmware to unpack: https://www.mobileread.com/forums/sh...d.php?t=343385 |
Ok, that was very clarifying, thanks.
Other doubts arised now:
1. The tutorial you linked refers to flashing the roots partition, but it doesn't mention the kernel or uboot. Does that mean that flashing just roots is enough?
2. Is it possible to edit this rootfs image (specifically to remove root password from /etc/passwd) or is it signed or something?
3. Another unrelated question. I used your Popcorn jailbreak on my PW3. I later tried to flashing uboot/uimage extracted from the stock firmware in SDP mode, but i was only able to flash Popcorn images using SDP. Why is that?