“Network Unlocking Fee: Handsets are locked to the Optus network. A fee of $80 does apply if you leave Optus for any reason within 6 months of your activation date. If you have recharged to $80 no fee applies. BlackBerry® smartphones are locked to the Optus network. $120 fee applies if network locking is removed within 6 months from activation. If recharges have exceeded $120 no fee applies. ”