The LG CJT30000002 Refrigerator Software Update Module Kit is a replacement service module designed for select refrigerator models. It is used to update the refrigerator’s internal software, allowing the electronic control system to operate with the latest compatible firmware. Designed for proper fit and compatibility, this module kit is used during service procedures to update system... https://www.hnkparts.com/cjt30000002-lge-jig-update-tool