Originally Posted by Mike76
I'm continuing my "risky" debricking. I've dumped /dev/mmcblk0p1 from a K4S updated to 4.1.0 fw, and replaced the K4B's /dev/mmcblk0p1 with this image. I was surprised it works but it does - in spite of that the kernel remains the 4.0.0 one left from my first hasty (and ballsy
) debrick. Now I have K4 SO with 4.1.0 fw and it's able to connect to my Amazon account. However, this 4.1.0 fw is not the same as the original K4B one - it has noticeably lesser contrast and worse font rendering.
The K4B ships with new bolder fonts, and perhaps an improved eink update algorithm. Perhaps flashing a K4B firmware onto a K4S will also improve the eink contrast on the old K4 too.