The Apple iPhone 12 Pro Max was announced in 2020, October 13 With 6.7 inches, 109.8 cm2 (~87.4% screen-to-body ratio) Super Retina XDR OLED, HDR10, Dolby Vision, 800 nits (HBM), 1200 nits (peak), Powered by Apple A14 Bionic (5 nm) and running iOS 14.1, up to iOS 15.6, planned upgrade to iOS 16, the device delivered smooth performance and multitasking capabilities. while the Li-Ion 3687 mAh, non-removable (14.13 Wh) ensured long-lasting usage.