Apple will announce the earnings for its first quarter of 2014 on Jan. 27, where it will reveal more concrete numbers for its flagship products. Reuters

Apple’s (NASDAQ:AAPL) iPhone retained its position as the most popular smartphone in the U.S. for the September-November period as the company’s share in the country's smartphone market continued to climb, according to a new report released by comScore on Monday.

The data showed that Apple’s U.S. smartphone market share increased 0.5 percentage points for a total share of 41.2 percent during the three-month period, while Samsung (KRX:005935) ranked second with an increased market share of 26 percent, up 1.7 percentage points from August. Samsung was followed by Motorola, LG (KRX:066570) and HTC (TPE:2498), rounding up the top five smartphone manufacturers.

Top smartphone OEMs in the U.S. comScore

According to comScore, 152.5 million people in the U.S. owned smartphones -- accounting for 63.8 percent of mobile market penetration -- during the three months ending in November, which was up 3 percent since a three-month period ended in August.

In terms of operating systems, Google’s (NASDAQ:GOOG) Android topped the chart with 51.9 percent of the market, up 0.3 percentage points since August, followed by Apple’s iOS with 41.2 percent, which rose 0.5 percentage points. While Samsung and Apple collectively accounted for 93.1 percent of the entire OS market, BlackBerry (NASDAQ:BBRY), Microsoft (NASDAQ:MSFT) and Symbian lost share in the same period.

Top smartphone platforms in the U.S. comScore

Meanwhile, Apple updated its investor relations page on Monday to state that the company would announce earnings for its first fiscal quarter of 2014 on Jan. 27, followed by an earnings conference call, which is expected to cover Apple’s holiday season sales performance and reveal official sales numbers for the company’s flagship products, including iPhone 5s, iPhone 5c, iPad Air and Retina iPad mini.

“Apple plans to conduct a conference call to discuss financial results of its first fiscal quarter on Monday, January 27, 2014 at 2:00 p.m. PT / 5:00 p.m. ET. A link to the Audio Webcast will be provided later,” the note on Apple’s Investor Relations page read.

During its fiscal fourth-quarter 2013 earnings call, Apple guided expected revenue of $55 billion to $58 billion and gross margin between 36.5 percent and 37.5 percent.