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How to master reset Samsung SGH-i777 Galaxy S II
Reset instructions for Samsung SGH-i777 Galaxy S II


Steps to Reset Phone

A master reset reverts the device back to factory settings.  It will permanently erase all personal data, preferences, settings and downloaded content like ringtones and apps from your phone.  It is recommended that you save (backup) your important data like contacts, photos, calendar etc. to your sim, SD card, or your computer before proceeding.


  1. From the home screen, press the Menu key, and then tap Settings.
  2. Scroll to and tap Privacy.
  3. Scroll to and tap Factory data reset.
  4. Tap Reset phone.
    Tap to check Format USB Storage to remove all saved media and applications from an inserted Micro SD memory card.
  5. If security is enabled, enter your unlock PIN, password, or pattern.
  6. Tap Erase Everything.


Alternative method to reset phone


  1. Power off the device.
    NOTE: If unable to power off, remove and reinsert the battery.
  2. Press and hold the Volume Up + Volume Down and Power key.
  3. Release ONLY Power Key when Samsung Logo appears.
  4. Use Volume Up and Volume Down to scroll down to Wipe data/factory reset and press Power key to confirm to delete all the user data
  5. Scroll down to Yes  delete all user data and press Power key to confirm
  6. When Data wipe complete. is displayed, select Reboot system now and press Power key to confirm to reboot your handset.


Warning!: While reset/restore operation under process, you are advised not to remove your battery until the operation is completed and cellphone restarts otherwise phone damage may occur.
*Disclaimer:Performing a master clear/master reset/hard reset will erase all your data (photos,videos,contacts etc) completely and reset all the settings to Factory default. The information contained in this website is for general information purposes only.In no event will be liable for any loss or damage including without limitation, indirect or consequential loss or damage. For complete disclaimer notice please visit Disclaimer. The brand names are the registered trademark of respective manufacturers.