Oh, what a difference a month makes. That could be the message from new research giving Android the lead in U.S. smartphone sales during the three-month period ending in January 2012.
Apple's iOS had held the U.S. smartphones sales lead up through December. The new data gives Android 49.9 percent of domestic smartphone sales, with iOS taking second place with 45.9 percent.
The new standings means Google's mobile software added 6.4 percent of U.S. sales, compared to a year ago. Meanwhile, the lock on U.S. smartphone sales fell 4.7 percent from the same period in 2011. The flip-flop on the No. 1 and No. 2 spots was linked to a Sprint price cut for Samsung's Galaxy S3 during the final three months of 2012...