Apple should do better than expected in terms of iPhone and iPad sales for its fiscal first quarter, says Morgan Stanley analyst Katy Huberty. "Our US holiday survey and intra-quarter comments from AT&T and Verizon indicated stronger iPhone demand than we initially expected, and give us conviction that iPhone units will beat our estimate of 30 million," she writes in a recent memo. "We believe Apple also has a good chance of exceeding our estimate of 13 million iPads as our US survey suggests demand remained strong in the quarter despite the Amazon Fire launch.