Updating card info

<p>I have now called Nedbank Voyager to update my details.</p> <p>They did update some but said I must go to the branch to update my cell.</p> <p>The branch did and I still get notifications on my old cell number.</p> <p>I went back to the branch and they ensured me that they did update it.</p> <p> </p> <p>What must I do to get notifications on my new cell?</p> <p> </p>