Battery & performance
Battery drain, overnight loss, heat, and a phone that feels slow. Start with what’s normal, then follow the least-invasive checks for Samsung, Pixel, and stock Android.
- Why does my Android battery drain overnight?What's normal overnight battery drain on Android, and five calm steps to check in the morning. Samsung, Pixel, and stock paths noted.
- How do I fix Android battery drain?Calm checks for daytime Android battery drain: Battery usage, background limits, and when drain is often normal.
- How do I speed up a slow Android phone?Simple ways to speed up a laggy Android phone: free space, restart habits, and apps that slow things down.
Tip: If a setting name looks different on your phone, that is normal. Samsung, Pixel, and other brands rearrange menus. We note those differences on each answer page.