Wireless
Why this works:
Apps remain loaded in the background of your iPhone X when you leave them open. This way, they’ll be ready right away if you want to use them again.
However, when apps are left open in the background of your iPhone, they still have the ability to send and receive data, which can start to cause iPhone X battery drain. There’s also a chance that they’ll crash, which would make your iPhone X battery die quickly.
Pro tip: