 PLANO, Texas, May 03, 2021 GLOBE NEWSWIRE -- DZS Inc. DZS NASDAQ: DZSI, a global leader of packet-based mobile transport, broadband access, network orchestration and cloud-native automation solutions, today announced that unaudited financial results, along with accompanying supplemental financial information, for its first quarter of 2021 have been posted as a report to shareholders to the investor relations section of its website at 