A COMMON phone mistake that you think is saving battery life is actually doing the opposite.
Millions of us do it every single day – but even Apple has warned users not to bother.
Loads of iPhone owners spend time every day quitting their apps.
They'll swipe them closed, quitting them in order to save a bit of battery life .
But Apple says it doesn't actually save battery life at all.
"You should only close an app if it's unresponsive," Apple said.
The iPhone maker continued: "Typically, there's no reason to quit an app.
"Quitting it doesn't save battery power , for example."
In fact, it could even be making things worse.
After you move to a different app, the old one will be "suspended".
"After you've switched to a different app, some apps will run for a short period of ti