J525S, we want you to get the best out of your network. Just to get an idea of the data speeds, here is a link that may help: https://www.verizonwireless.com/archive/mobile-living/network-and-plans/4g-lte-speeds-compared-to-ho...
In addition, do you have a screenshot of the 24GB promotion that you are speaking in regards to . I want to ensure we are on the same page.
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What 24G promotion? I have 24 GB and there is no slowing unless I use all 24 GB.
Unlike Tmobile, Verizon to date does not slow your regular plan data in any way or limit resolution of video. This is true even when using freebee data when watching NFL.