Kernel G8232 FW 41.2.A.7.8
Kernel G8232 FW 235
Kernel G8231 FW 235
Thanks to tobias.waldvogel for his awesome resources.
Don't forget to flash the recovery. Here's the link
Also, recovery can be accessed only through the official way i.e.
Power off >> Press the power key and the volume down key simultaneously >> As soon as the SONY logo appears, release ONLY the power key, don't release the volume down key >> After 20-30 seconds the device will enter recovery mode.
Please copy the flashable SuperSU zip file to the external sd card before entering recovery as the internal memory can't be accessed in recovery.