Telefonica (TEF) Unit to Boost Digitization With Geprom Buyout Posted byZacks Equity Research December 24, 2021 Leave a comment on Telefonica (TEF) Unit to Boost Digitization With Geprom Buyout Telefonica’s (TEF) digital unit inks a contract to acquire Geprom. The buyout will strengthen Telefonica Tech’s digital capabilities, making its business more competitive and sustainable.