All the carriers had room for improvement, but one in particular (rhymes with "hint") has a long way to go to make the honor roll.
The third-largest US mobile carrier might bid for its smaller rival next year, The Wall Street Journal says
You'll still have to call your carrier if you want to free your phone, however.
Your carrier may frown on using your unlimited data as a hotspot, but there are a number of app-based ways to get your devices online.
Sprint is talking up a high-speed service it calls Sprint Spark, which offers current peak speeds of 50-60Mbps and has the potential to top 1GBps.
Sprint's CFO says it's a problem that Sprint and T-Mobile US are so much smaller than the top two carriers.
Sprint announced a new annual upgrade plan just in time for the new iPhones, and it's one of the best deals around.
And even better, it doesn't look terrible.
The sadder phone will be a Best Buy exclusive through the end of the year.