Asian rivals are another threat, including Samsung Electronics Co., the world's No. 3 mobile-phone maker, and TCL, China's biggest mobile-phone maker, Masci said.
Seoul-based Samsung last week said fourth-quarter profit almost quadrupled, boosted by sales of high-margin phone and chips. Motorola on Tuesday said it had a fourth-quarter profit of US$174 million, its first consecutive profit in two years.
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