Possibly.
Anyway, you can try reverting to the original firmware (assuming you saved it), or you can try updating further to 3.4.2, see here:
https://www.mobileread.com/forums/sho...d.php?t=263894
Hopefully it will work. But of course, like I said there are no guarantees. These
are I think the most invasive Kindle hacks ever published, which makes them unpredictable.