Usually guides to increasing the battery life of phones and tablets involve impractical advice like disabling Wi-Fi, turning off all background activity, killing notifications, and other “tricks” that make using the device pointless. After all, you could gain almost infinite battery life simply by never switching your iPhone on.
This piece of advice is just like those. It involves turning off the color on the iPhone X’s OLED screen to save juice. However, this tip actually turns out to be pretty useful, and makes the iPhone look totally badass, too.