So Network Vision is slowly but immensely improving the overall experience on Sprint. Luckily living in the Bay Area a large amount of this work has already begun and is continuing each day. For a while I was seeing improvement and loved Sprint for every moment. At the begging of this week all of this suddenly disappeared, being an avid reader of this site I assumed it was an upgrade and just continued on with my day. Now it's near the end of the week and no improvement whatsoever. Basically I would like to know if this is a device related problem (iPhone 4, iOS 6.1, PRL 51094) or if it's an network upgrade which I'll just ignore.
It's definitely a Sprint Site. There is a Sprint Cascade ID on the equipment. I looked it up and found it. And like you point out it used to be a relay site. Interestingly though, the site has been there over a year. I found the Cascade ID in the system and there is a Google Map image from June 2017 showing it in place. It shows the old relay too. However, the change to direct backhaul is likely new.