@AllT Just to add to what @Handy1 said: assuming you are able to get access to this "new activations only" plan, then yes, you can typically switch plans with the effective date set to be "at renewal" rather than "immediately". So your new plan woul...
Hi @Tobi30 ,Reading between the lines of your post, I think you may be slightly misunderstanding the speeds and amounts of that plan. The "250" figure is the (theoretical) 5G speed of the 20GB of data, 250 Mbps. After 20GB the speed will be 512 kbp...