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Samsung Galaxy A21 - Manage Battery Saving Settings

2026-10-02 11:30:42.149

Samsung Galaxy A21 - Manage Battery Saving Settings

Power Saving mode helps extend battery life on your Galaxy A21 by reducing performance and limiting vibration, location services, and most background data.
  1. Open the
    Settings app
    .
  2. Navigate:
    Battery and device care
    Battery
    Power saving
    .
  3. Tap the
    Power saving mode switch
    to turn on or off.
  4. When turned off, you can customize power saving options by tapping the following to turn on or off:
    • Limit CPU speed to 70%
    • Decrease brightness by 10%
    • Limit apps and Home screen