Analysts expect iPhone sales to rise 11% in the fiscal fourth quarter ended September, according to Refinitiv, thanks to consumers upgrading to the company's premium-priced Pro phones. However, growth is estimated to slow to just 2% in the crucial holiday quarter. read moreReuters GraphicsAnalysts believe Apple's move to leave prices unchanged on its latest Pro models is driving strong demand. The holiday quarter is typically Apple's biggest and accounts for about 30% of its annual revenue, since it launches iPhones and Macbooks ahead of the shopping season. Macbook sales are expected to fall 5% in the holiday quarter, after a likely rise of about 2% in the September-ended quarter.

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