Apple A15 chip for iPhone 13 will reportedly start production in May, 4nm chips in 2022 - 9to5Mac<br/><a href="https://9to5mac.com/2021/03/30/apple-a15-chip-for-iphone-13-will-reportedly-start-production-in-may-4nm-chips-in-2022/" rel="noreferrer noopener" target="_blank">9to5mac.com</a>