A render of the alleged iPhone 15 Pro

iPhone 15 could get longer battery life thanks to this display upgrade

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Battery life on the iPhone 15 and iPhone 15 Pro could be improved by new display tech reports Economic Daily News (opens in new tab) out of Taiwan, citing sources within Apple’s supply chain.

These sources say the display driver chip (the bit of silicon that controls your screen on behalf of the main chipset) that Apple will use for the iPhone 15’s OLED displays will be made with a 28nm process, down from the current 40nm one on the iPhone 14 series. That’s thanks to Apple’s suppliers updating their manufacturing lines.