i am with the same issue ... fone isnt booting ... and i cant boot it in bootloader menu with power + vol down ...
press power + volume up first 10 second, it black screen, hold power and press volume down.
And when flash rom with kernel 3.0.9 in aroma. Choose stock gesture, screen off, i can't double tap, swype up wake up screen on.
Classic dialer mod would not/could not cause the issue you're seeing. It doesn't have any effect on the nav bar whatsoever. It doesn't touch systemUI whatsoever! There is no way that single APK is causing your issue.
Assuming you're talking a...
If i dont flash new fw 4.20, can i flash v35? My firmware 4.16.401.10.