Depends on the age of the interface. The unsoldering info is here: [link=http://www.reflex-sim.dyndns.org/reflex-sim/shop/catalog/faqdesk_index.php?faqPath=15_35_40&language=en]Link[/link]. But that was only produced for a few month. Still if you have it, you can get it exchanged from the manufacturer/local agent no matter where or when you bought it.