Originally Posted by Shotgun84
Have you tried a factory reset after the upgrade. 9 times out of 10 this will solve any problem caused by a firmware update. If the factory reset doesn't solve the problem personally I would reflash the firmware with Odin as that'll be the second thing Vodafone will do after a factory reset. If you do decide to hand your phone over for repairs having Philz recovery on there will mean that your warranty is void.
Hi yes have done numerous factory resets now but still wifi acts as if it's not a function on the phone!