Apple shifted 47.8 million iPhones throughout the last three months of 2012, one million less than analysts had predicted.
The computer giant's shares fell 3% to $517 (£326) in extended trading after the release of the report.
More top news
A gang feud appears to be behind two murders in four days in the city of Dublin.
A lorry driver who is blind in one eye has been cleared of causing the death of an elderly couple by dangerous driving.
Nowhere near as windy as yesterday but chilly and staying blustery for a while in places.