As you now most of the mobile providers lock their phones to their network and the phones can not be used on other network. If you want to use your phone on other network it must be unlocked. There are a lot of web pages with advices how to unlock an mobile phone. Software and hardware decisions. The purpose of this site is not to give you advice or steps how to unlock your phone. You can search for that in Google. The purpose is to help you find and buy already unlocked cell phone. One of first web places you can find it is eBay.com. Below you can see actual listings for unlocked cellphones which are currently on eBay. Look out the prices. Ebay is a great marketplace where you can buy hard to find items on lower price. Any way this site is not responsible if you don't get for what you paid. Always check the sellers feedback profile and then commit to buy.