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How to master reset Samsung SPH-m340 Mantra
Reset instructions for Samsung SPH-m340 Mantra


Steps to Reset Settings

This will reset all the settings to factory default. Any data or Phonebook entries will not be deleted.


  1. From the Main screen, press Menu (Left Option Button) > Tools & Settings > Phone settings > Security and press OK.
  2. Enter your password in the Password field and press OK. The default password is last 4 digits of your phone number or 0000. 
  3. Select Reset default and press OK.
  4. At the Reset the phone? prompt, select Yes and press OK.


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.