Apple says it will replace iPhone Duo handsets with screen problems
Photos shared online showed faults appearing on the screens of Apple's first foldable device.
Apple says it will replace iPhone Duo handsets that have developed problems with their screens just days after the highly-anticipated smartphone went on sale.
Photos posted by social media users show lines that appeared on the screens of the technology giant's first ever foldable device, which has a starting price of £1,999 ($2,668) in the UK.
Apple said it is aware of "an issue impacting the inner display on a small number" of units and urged affected users to contact the company for a replacement.
The Duo's launch, which attracted long queues at Apple stores around the world last week, comes as the brand tries to reinvigorate its catalogue and challenge the foldable phones offered by rivals.