I will resolve any problem that you have. Unlock will remain with any update or reset. Functionality: Fully functional, everything works 100%.COSMETIC CONDITION: NEW - IN OPEN BOX (factory plastic film maybe removed). The item "New Samsung Galaxy S8 SM-G950U 64GB Black Unlocked ATT/Tmobile/MetroPcs" is in sale since Thursday, July 27, 2017. This item is in the category "Cell Phones & Accessories\Cell Phones & Smartphones".electronics" and is located in Oklahoma City, Oklahoma. This item can be shipped to United States, Canada, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Brazil, Costa rica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion.