Tweet Phone Unlock Instructions for Telus Canada 9700 (Bold 2 Onyx):

Note: You must have a SIM card in your phone to complete these
steps, I have found that this procedure works best with an Telus
Sim card in the phone (can be active or inactive ). Make sure the
phone is not displaying the low battery warning!
1) Power on
2) Go to Settings
3) Go to Options
4) Go to Advanced Options
5) Go to Sim Card
6) HOLD ALT and press: mep4 (Please note that you will NOT see
what you type on the screen)
7) It will ask you for the unlock code. Enter it and then press
trackball to confirm and your phone is unlocked!