“While the iPhone 5 has been the top selling handset at the three largest carriers in the U.S., Apple’s legacy iPhone 4S and iPhone 4 handsets have also been strong performers this holiday shopping season,” Neil Hughes reports for AppleInsider.

“Channel checks conducted by Michael Walkley of Canaccord Genuity found that sales of the iPhone 5 have been ‘very strong’ at AT&T, Verizon and Sprint. He also indicated that international sales of Apple’s latest smartphone have been positive for the company,” Hughes reports.

“While the iPhone 5 is Apple’s top selling model, as expected, Walkley’s checks also found that sales of the legacy iPhone 4S and iPhone 4 models have also been strong,” Hughes reports. “In particular, he discovered that the iPhone 4 — which is available for free with a new two-year service contract — was sold out at many stores.”

Read more in the full article here.