iPhone and Android users can reduce battery drain and data usage by restricting Background App Refresh to Wi-Fi connections instead of mobile networks.

Closing background apps does not save battery life or make your phone run faster, let iOS manage your apps instead. Turn off Background App Refresh in settings to save battery life, and also consider ...

Some of these directions apply to all iPhones, but some are only relevant to specific iOS versions. These differences are pointed out below. The most common way to ...