“I participated in an Influencer Activation Program on behalf Influence Central for Sprint. I received sample devices to facilitate this review” As a longtime Sprint customer, I knew when the opportunity came up to write about the new Indianapolis  Sprint Spark and LTE network, it was something I had to jump on.  I have to admit Indianapolis has had some bumps over the years with the Sprint network, but the new network is a huge step up from before. Over the years I have encountered some pretty frustrating service problems on the old Sprint network. I had dropped calls, dead spots, and poor voice quality.  Since Sprint has recently ungraded cell towers and…