How long am I going to wait ?
The waiting time for receiving an unlock code for Dell phones starts from 3 to 10 working days.
Unlocking instruction for Dell Mini 3i ?
How to enter an unlock code to a DELL Mini 3i.
1. Turn on your Dell Mini 3i with an unaccepted simcard inserted (unaccepted means a simcard from a network different than the one in which the device works)
2. Enter the unlock code provided by sim-unlock.net.
3. The device is network unlocked.