How does one unlock a nokia mobile phone?

There are laws involved with unlocking a cell phone. The software in a phone is covered by DMCA. In some cases it is now legal, but you need to know your rights before doing so. Some carriers will do it directly over the air for you if you call and request it. Check out the related link to engadget below. The article discusses iphone in specific, but the laws they are discussing cover all cell phones.