Is the promised 50% discount all talk?

Talkmobile offered it, but Vodafone says no dealI was a Talkmobile customer and, as it’s being taken over by Vodafone, I went to a Vodafone store to upgrade my phone. I was told I had to call Talkmobile for a PAC code to transfer my number and when I did, the operative said that if I upgraded over the phone, I’d get 50% off my £24 monthly bill for the entirety of my two-year contract. Vodafone, however, says this is incorrect, and that when my contract is taken over, the 50% de