Well, it was fun while it lasted. My X4 just stopped responding one day. I tried all possible fixes (microSD, resetting, reflashing, etc). But it seems to be a screen issue, maybe the ribbon cable or something internal. At least I still have the Kindle Paperwhite as my primary ereader. #Xteink
Just got my second ereader - #Xteink X4 I just finished flashing custom firmware here (CrossPoint). This feels like familiar territory for someone who's into SBCGaming devices!