India, Sept. 10 -- CUPERTINO, California - Apple on Tuesday unveiled its most significant iPhone redesign in years, introducing an ultra-thin iPhone Air measuring just 5.6 millimetres thick while adding new health monitoring capabilities to its smartwatch lineup.

Chief executive Tim Cook described the new phones as "unlike anything we have created," positioning the device as Apple's answer to growing competition from Samsung's slim Galaxy S25 Edge and Chinese manufacturers including Xiaomi and OnePlus.

The launch comes as Apple faces tariff costs exceeding $1 billion in the current fiscal quarter, with imported iPhones subject to approximately 25% duties under the Trump administration's trade policies.

India is among the main productio...