Microsoft Windows MEP Reader or Mac OS X MEP Reader. Stage 2: Download and unzip the relevant software for your computer Stage 1: If you have a PC only, then download and install the BlackBerry USB Drivers. You must use this method if you have the BlackBerry Bold 9900, but for all other handsets, you can use either Method 1 or Method 2. It requires that you have a cable for connecting your computer to your BlackBerry handset. Retrieve your Blackberry MEP Code Method 1: with the USB cable
The PRD can be found easily on the label underneath the battery, it has 8 digits and looks like this: PRD-XXXXX-XXX. For all Blackberry models aside from Q5, Q10, Z10, Z30, 2 very important codes for unlocking your phone are PRD and MEP.