Is it really as simple as changing the values in Seems 0016 and 0117 from "E 1 0 0 0" to "V 1 0 5 0"?
That worked for me, with a No Brand flex R26LD_U_83.39.24I_LP0039_NEW_DRM_SAE1000T672UKR26016_1FF
Or has Vodafone decided to allow any 3g phone with a Voda Sim to access 3g?
Major Figjam