My device can not enable wifi on latest rom and I'm told that a custom kernel would fix it.
so far I have tried these kernels
ChronicKernel-JB4.2-TW-INTL-v1.3
KT-SGS4-JB4.2-TW-INTL-12.12.2013
GT-I9505_AdamKernel.V1.6.CWM
Abyss-GT-I9505-1.6.1FSam
All clean installs, device booted once to allow...