Share Through the eyes of a cell phone unlocker, it seems that RIM is always making an effort to tighten security on their new Blackberry devices.  This time it has gone beyond RIM, with Bell and soon, Telus adding new locks on their Blackberry phones. We like to call them “MEP4″ locks instead the old MEP2 that we’ve grown so fond of. It has already been implemented on the Bell 9700 which has 2 locks – the network...