Android · Troubleshooting
See what's draining your battery
Battery usage breaks down exactly how much charge each app and system component has consumed since the last full charge, making it the go-to screen for diagnosing unexpectedly fast battery drain.
How to open Battery Usage
- Open Settings > Battery.
- Tap 'Battery usage' to see the ranked list of apps.
- Tap an individual app for a detailed foreground/background breakdown.
- Use 'Restrict' from that app's screen if its background usage looks excessive.
What you should know
- Shows a percentage and time-in-use breakdown per app over the last 24 hours or several days.
- Distinguishes between screen-on ('foreground') usage and background battery drain.
- Flags apps with unusual background activity so you can restrict their battery use directly from this screen.
- A battery history graph shows discharge rate over time, helpful for spotting exactly when a drain started.
A single app showing high usage isn't automatically a problem — apps you actively use heavily, like navigation or streaming, are expected to top this list.
Why it matters
Unexplained battery drain is one of the most common phone complaints, and this screen is usually the fastest way to identify whether it's a specific app, a system process, or just heavy daily use.
Best practices
- Check this screen right when you notice unusually fast drain, rather than after a full day when the picture becomes murkier.
- Restrict background activity for apps that show high usage without matching your actual foreground use.
- Compare the current day's usage pattern to a normal day's rather than judging a single high number in isolation.
Common problems and fixes
- An app you barely open shows high battery usage.
- Open that app's entry, restrict its background activity, and check its App info permissions for anything like location access it doesn't need constantly.
- Battery drains fast right after installing a system or app update.
- This is often temporary while apps reindex; give it 2-3 days, and if drain continues, check whether that specific app's usage is now abnormally high.
Tips and tricks
- Tap into an individual app's battery entry for a direct shortcut to restrict its background usage without navigating back through App info.
Frequently asked questions
What's the difference between foreground and background usage?
Foreground usage is battery used while you're actively looking at and using the app; background usage happens while it's running unseen, like syncing or fetching notifications.
Can I stop an app from using battery in the background entirely?
Yes, most apps can be background-restricted from their entry in Battery usage or from App info, though this may delay notifications from that app.
Related settings
- BatteryBattery settings show a breakdown of what's draining your charge, offer a Battery Saver mode to stretch remaining power, and let you restrict background activity for specific apps. A built-in health estimate also indicates how much capacity your battery has lost over time.
- App InfoApp info is the dedicated settings page for a single installed app, showing its permissions, storage and cache usage, notification controls, battery behavior, and options to force stop, uninstall, or disable it.
- Phone DiagnosticsPhone diagnostics tools — built into some manufacturers' software or provided by your carrier — run guided tests on hardware components like the touchscreen, speakers, cameras, sensors, and buttons to confirm they're working correctly.
More Troubleshooting guides for Android
- Factory ResetFactory data reset erases all data on your device and restores its original settings — useful for resolving persistent software issues, or before selling or recycling the device.
- Safe Mode & RecoverySafe mode is a temporary boot state that disables all third-party apps, making it easy to tell whether a downloaded app is causing a crash, freeze, or battery drain. Recovery mode is a separate, more powerful boot menu — accessed with hardware buttons before Android fully loads — used for wiping the cache partition, sideloading an update, or performing a factory reset when the device won't start normally.
- Send FeedbackSend feedback lets you report a problem straight to Google (or an app's own developers) with an automatically attached diagnostic report and, optionally, a screenshot with areas you can highlight or blur out.
- Network & SIM DiagnosticsProvides tools to check SIM status, run network diagnostics, and reset APN settings to troubleshoot problems like no signal, failed calls, or data connectivity issues.
- App Crash & ANR ReportsShows a log of recent app crashes and 'Application Not Responding' (ANR) events, letting you identify which apps are unstable and access details useful for reporting bugs to developers.
- Reset Wi-Fi, Mobile & BluetoothResets Wi-Fi networks, saved passwords, mobile network/APN settings, and Bluetooth pairings back to factory defaults, without erasing personal files, photos, or installed apps.