You can’t always prevent your mobile from being lost or stolen, but you can make sure no one takes advantage of it.With F-Secure Anti-Theft for Mobile you can be sure that your personal and confidential information won’t be misused by anyone,and it wouldn’t cost you a cent.
F-Secure now offers Anti theft Protection software for free.The software, which is compatible with Android, Windows Mobile and Symbian OSes, includes browsing protection against malware sites, along with the ability to lock the handset and wipe it remotely if it’s lost or stolen.
With F-Secure Anti-Theft for Mobile  you can
  • Lock your phone remotely
  •  Locate your phone remotely
  •  Erase the confidential data remotely
  • Get informed who stole your phone
Key features
  • Remote Lock, Locate and Wipe
  •  Theft Control
  • Local Lock
  •  Easy to upgrade with additional security
With F-Secure Anti-Theft for Mobile, you can remotely lock the phone and to protect the information contained in a single SMS message. Using the new Remote Locator function, you always know where is your phone. When the phone is stolen and the thief changes the SIM card, and denies the theft control function automatically and the phone informs you of the new number. As the ultimate security measure to prevent abuse, it is possible to erase all data on the phone with remote wipe.
To execute all of the above operations, you just need to send an SMS to your Mobile Number writing Pre Defined Codes: For Example, Send text message: #lock# to your phone to lock it, Send text message: #locate# to your phone to see its location on a map and #wipe# to your phone to wipe it completely. Where Code is your minimum 8 digit password already fed into the software.
Free download F-Secure Anti theft Protection for Mobile :http://www.f-secure.com/en_EMEA/products/mobile/anti-theft-download/anti-theft-download.html
And you may also want to visit F-Secure Mobile Security Review and download,another mobile security software from F-Secure.