Apple’s iPhone 15 goes on sale in stores in early test of peak Christmas revenue period

The iPhone represents about half of Apple’s overall revenue and the company is banking on the device to help it break a streak of sales declines and return to growth during the critical holiday period

The iPhone 15 line-up: iPhones represent about half of Apple’s overall revenue.

Apple's latest iPhones and watches have gone on sale, a test of whether a new smartphone design and modest smartwatch changes can help return the company to growth.

The devices are going on sale in about 40 countries in its first wave, including in Australia, Hong Kong, mainland China, the US, UK and France.