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Samsung Galaxy S8 / S8+ - Power Up in Safe Mode

2026-10-22 21:18:56.224

Samsung Galaxy S8 / S8+ - Power Up in Safe Mode

Here's how to boot your Galaxy S8 / S8+ into Safe Mode to help determine if an app is causing it to freeze, reset or run slow.
Safe Mode puts your phone in a diagnostic state (returned to default settings) so you can determine if a third-party app is causing your device to freeze, reset or run slow.
An alternate method is available if the device can be powered on and is responsive.
  1. With the device powered off, press and hold the
    Power button
     (right edge) until the Samsung Galaxy S8 screen appears then release.
    Power button
  2. With Samsung Galaxy S8 still on screen, press and hold the
    Volume Down button
     (left edge).
    Device with emphasis on Volume down button and Power
  3. Continue to hold the
    Volume Down button
     until 'Safe mode' appears in the lower-left of the unlock or Home screen then release.
    This may take up to 45 seconds.
    Safe mode displayed on home screen
  4. With Safe Mode enabled, test device and app functionality.