
If you never turned it on, you should be good to go, or just head to Developer mode again and turn it off. If you’re connecting an Android to a Mac, you need to turn USB debugging off.When you go back to the Camo app, if you don’t see a pop-up asking whether you want to allow USB debugging, unplug and plug the cable back in. Scroll down to find USB Debugging and toggle it on. Once turned on, you can find it in Settings > System > Developer mode, though some of the navigation menus may differ based on your Android phone. To do this, head to Settings > About phone and then tap Build number seven times to enable Developer mode. For Android phones connecting to a Windows PC, you’ll need to enable USB debugging mode.

Tap Get Started in the Camo phone app and choose whether you’re connecting to Windows or Mac. If you end up having issues, try another cable. Plug in a cable from your phone to your computer-make sure it’s a quality cable, ideally the one that came with your phone.
These are methods that will actually help you save battery.

In this case, you should instead take other battery-saving actions like dimming the brightness, turning off notifications, or switching to power saver mode. Suppose your goal behind closing background apps is to conserve battery life. When you make your phone's processor expend energy in following repeated commands, like launching an app and then closing it, it will definitely consume more battery in the process.
Regularly Closing and Relaunching Apps Consumes More Battery So there's no point in trying to close them again and again. In addition, many apps relaunch a background process even after you close the main app. As your apps are better off staying in memory, engaging your CPU in these commands is a waste of processing power.
