Motorola phones probably have the most straightforward and simple instructions.  These instructions apply to all Motorola phones whether it be the Motorola V3 Razr, Motorola E8, Motorola ZN5, Motorola K1 Krazr etc etc.
To purchase your motorola unlock code, please follow this link.
Unlock Instruction for Motorola
1) Power ON your phone with different SIM Card then the [...]

Cellfservices has had some customers purchase an unlock code only to find out that their phone is already unlocked.  We would like to clarify that there are 2 methods to see if your phone is unlocked.
The easiest method for Blackberry users is to do the following…
1.) Go to options
2.) Advanced Options
3.) SIM Card
4.) Type MEPD.  [...]

Your Blackberry PIN # is a unique identification number that allows you to use data services as well as Blackberry messenger services.
For most worldwide Blackberrys as well as any Telus or Bell phones, you need the PIN # to unlock your phone.  This can be found in a couple places.
1.) On the box of your [...]

After processing an abundant amount of codes,  you would be surprised at how many incorrect IMEIs are sent.
I’ll make this short and sweet.  Your IMEI number is found by pressing *#06#.  The only phone that this will not work on is the Blackberry Storm and potentially the Blackberry Tour.
For the Blackberry Storm 9500 or 9530, [...]