A new study from Kantar Worldpanel ComTech says that the iPhone is continuing to gain share in the US and lately in the UK and France as well, reversing trends seen in other countries where it is still losing ground. On the heels of a ComScore survey last month that showed Apple’s smartphone had risen to 40 percent of the US market, Kantar’s updated figures show a gain to 43.4 percent over the past month — a total gain of 7.8 percent over the past year, taken almost entirely from Android rather than smaller rivals like BlackBerry….