Struggling smartphone maker BlackBerry Ltd. has drawn interest from private-equity firm Cerberus Capital Management LP, according to a reports. Cerberus's interest in BlackBerry, which may not lead to a bid, was reported earlier by the Wall Street Journal and today by Bloomberg.

BlackBerry's largest shareholder, Fairfax Financial Holdings Ltd., made a tentative offer on Sept. 23 to buy the company for $4.7 billion, saying it was leading a group of investors.

BlackBerry declined to comment.