Tech giant Apple has posted a 33% increase in quarterly profit on the back of a massive growth in iPhone sales and expansion in China.
Its larger-display phones, launched in September 2014, are helping Apple to see off pricing pressure plaguing other smartphone makers, including prime rival Samsung, and regain market share.
Net income totalled $13.57bn (£8.9bn) in its fiscal second quarter ended 28 March, compared with $10.22bn in the the comparable period in 2014. Revenue rose 27% to $58.01bn from $45.65 billion in the year-ago period.
Analysts polled by Thomson Reuters estimated that Apple would post earnings of $2.16 a share on revenue of $56.1bn.
Apple also reported gross margin, a closely watched measure of profitability reflecting the percentage of revenue that remains after manufacturing costs, of 40.8%, above its estimated range of 38.5% to 39.5%.
For the current quarter, Apple again said it expects a gross margin of 38.5% to 39.5%. It projected revenue of $46bn to $48bn, in line with analysts' estimates for that period.
The firm also announced that it would expand its capital return programme to $200bn from a previously announced $130bn. Apple boosted its dividend 11% to 52 cents per share. The planned program goes through March of 2017, Apple said.
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Chief executive Tim Cook said on the firm's earnings call that the buyback reflects "our strong confidence in what lies ahead for Apple".
He added: "We're seeing a higher rate of people switching to iPhone than we've experienced in previous cycles, and we're off to an exciting start to the June quarter with the launch of Apple Watch."