Originally Posted by ironass
Or you could just try flashing your previous modem via Odin. (I'll get me coat!
If you're lucky, yes butty, but there have been reports where S4 modem flashes has been fubarring efs+IMEI information, and curiously in some cases, breaking the sound on the GS4, so you may have more work than you bargained for.
I'll wait until a bootloader-fiddled release of MH8 emerges.