09-29-2012, 04:10 AM
I managed to unlock V3450 BIOS version A11, now Advanced Menu tab is completely unlocked. Thanks to jkbuha for suggesting the HEX values to change in the setup module 
Here it is: https://dl.dropbox.com/u/91178815/BIOS1.WPH
To flash it, run the official Dell BIOS update, wait until it asks you to reboot, go to your temp folder and replace Winflash\BIOS1.WPH with the file I provided. After this, agree to reboot and the firmware updater will flash the unlocked BIOS image.
P.S. This is working fine on my Vostro 3450, however I take NO responsibility if you brick your system using this file!

Here it is: https://dl.dropbox.com/u/91178815/BIOS1.WPH
To flash it, run the official Dell BIOS update, wait until it asks you to reboot, go to your temp folder and replace Winflash\BIOS1.WPH with the file I provided. After this, agree to reboot and the firmware updater will flash the unlocked BIOS image.
P.S. This is working fine on my Vostro 3450, however I take NO responsibility if you brick your system using this file!