Unlocking Vodafone Smart, by code is very easy, it is also safest and non-invasive method of unlocking your phone permanently. Your phone will always be unlocked even after each new update of your phone firmware.
Unlocking phone by code does not result in void of warranty and this is the manner provided by the manufacturer.
To get code for unlock Vodafone Smart you need to provide IMEI number of your Vodafone Smart.

Type on keyboard *#06# check IMEI number..

How to enter code for Vodafone Smart:

1. Insert foreign (not accepted) Sim card
2. The phone should ask for unlocking code
3. Enter NCK or Network code
4. The phone is now unlocked