Mobile phones that reach the end of the use
phase by their current owner/user. Phones can be in a working or a nonworking
condition. Indicating that the phones are in the end of its useful life (from the vendor's point of view), and a vendor stops marketing, selling, or rework sustaining it. (The vendor may simply intend to limit or end support for the phones.) In the specific case of phone sales, a vendor may employ the more specific term "end-of-sale" (EOS).