Turn on safe mode :

  1. Turn the device off.
  2. Press and hold the Power key.
  3. When ‘Samsung GALAXY GT i8262’ appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.

Remove recently added / suspicious app :

  1. Open the Settings app. You can delete any app that you’ve downloaded using the Settings app on your device. …
  2. Tap “Apps” or “Applications.” …
  3. Swipe to the “Downloads” tab. …
  4. Find and tap the app that you want to delete. …
  5. Tap the “Uninstall” button.
Free some space in internal memory and sdcard To Computer
  1. Unlock your device’s screen.
  2. With a USB cable, connect your device to your computer.
  3. Swipe down from the top of your device’s screen to see your notifications.
  4. Tap the USB for… notification. …
  5. A File Transfer window will open on your computer. …
  6. Move big file/un needed file to computer
  7. When you’re done, eject your device from Windows.

Restart phone and done!

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