CAMBRIDGE, Mass. & CORK, Ireland--(BUSINESS WIRE)--Carriers and wireless retailers have been seeking a way to overcome decreasing smartphone sales and get customers back into stores for upgrades. Inhance Technology (www.inhancetechnology.com) is launching a 21st century solution to reinvent the problematic, low-tech trade-in market. The company today announced the first and only cloud-based smartphone trade-in solution, called “Inhance Trade.” It combines detailed analytics on in-use smartphone