The debate over "what is the best smartphone ever?" took an unexpected twist after Apple's voice-activated assistant Siri appeared to favour the iPhone's rival.
Over the weekend, users of Siri were told the answer was Nokia's Lumia 900.
But Siri now responds to the same question with a jovial: "Wait... there are other phones?"
Nokia has accused Apple of "overriding the software" after the quirk was noticed.
Apple would not confirm that a change had been made.
The Siri software, which is featured on Apple's iPhone 4S, uses the computational search engine Wolfram Alpha to serve answers to some questions.
'Flattered'
For a question such as "what is the best smartphone ever?", Wolfram Alpha would pool available reviews and comment in order to come up with what it feels is the right result.
Read More: http://www.bbc.co.uk/news/technology-18071342