blackberry_10_web.jpgTORONTO (AP) — BlackBerry-maker Research In Motion will begin selling its new touchscreen smartphone to U.S. consumers with AT&T on Friday, March 22. The release comes several weeks after RIM launched the much-delayed devices’ release  elsewhere.

AT&T said the Z10 will be available for $199.99 with a two-year contract. Sales of the device began in the U.K. and Canada shortly after RIM unveiled the phone in late January. Rival U.S. carrier T-Mobile said it expects to deliver the new BlackBerry for some corporate customers as soon as the end of this week, though it did not provide details on the availability for non-business customers.

The redesigned BlackBerry is RIM’s attempt at a comeback. The pioneering brand lost its cachet not long after Apple’s 2007 release of the iPhone, which reset consumers’ expectations for what a smartphone should do.

RIM Chief Executive Thorsten Heins said previously he was disappointed the new BlackBerry would not be released in the U.S. until mid-March, but he said the U.S. and its phone carriers have a rigid testing system.

The U.S. has been one market in which RIM has been particularly hurt. The iPhone and phones running Google’s Androidsoftware now dominate. According to research firm IDC, shipments of BlackBerry phones plummeted from 46 percent of the U.S. market in 2008 to 2 percent in 2012.  Heins also suggested that a modern BlackBerry with a physical keyboard might not arrive in the U.S. until May or June, a month or two behind other parts of the world.

Heins said the physical keyboard version, the BlackBerry Q10, will likely come out eight to 10 weeks after a carrier releases a model with only a touch screen, the BlackBerry Z10. With the Z10 set for release in the U.S. on March 22, eight to 10 weeks brings the U.S. date for the Q10 to mid-May to early June.

BGC Financial analyst Colin Gillis and Jefferies analyst Peter Misek said a Chinese acquisition is unlikely due to security concerns. Misek said checks by Jefferies indicate that the Z10 is selling well in developing markets including India, but Gillis noted RIM’s U.S. release will go up against Samsung’s next Galaxy smartphone unveiled on Thursday.