Originally Posted by Musashi
Only works in K4 Touch? Or K4 NT as well?
FYI the Touch is a K5, not a K4. The number is the firmware major version number. There was some confusion in this forum when both the K4/Mini and K5/Touch were released very close together, and unless forum members go back and correct their old posts, this incorrect kindle "model naming convention" will live (in infamy) forever.
There is no longer any need to call a K4 a "K4NT". Just K4 will do...