A fallen angel took flight as Sprint soared by 20% on Thursday after an interesting June quarter. The overall net subscriber loss number for postpaid subs was not that great at 240,000, but the 1.5 million iPhone customer adds was about 200,000 above expectations. Even more importantly, the key profitability gauge of EBITDA came in at $1.3 Billion — half a billion above what many expected. That combination is fascinating. AT&T and Verizon also had strong profit numbers, but that happened because they were a bit light on iPhone adds. Read the full story at Boy Genius Report.