He said he will stick with BlackBerry company despite founder Mike Lazaridis's exit.
BlackBerry will launch its new touchscreen smartphone in the U.S. with AT&T on March 22.
BlackBerry CEO acknowledges U.S. release date is disappointing, but U.K. sales have been promising.
The stock of BlackBerry maker began to sink almost as soon as company CEO Thorsten Heins began to show off the redesigned smartphones.
RIM pins hopes on new BlackBerrys with speed, better typing, balance of work and play.