STC fiber optic representative, subscription offers on 5G packages or fiber optic packages. It is required that the box be on the same building for all operators: Mobily, Zain, Salam. STC fiber internet subscription. Now with STC Fiber (Fiber Optics), say goodbye to problems and live an unlimited internet experience! 5G internet packages, and there is a 3-day trial. And unlimited mobile 5G internet packages, and there is a 3-day trial. Installation is immediate and free. To contact: ( Phone number appears when clicking the contact button ) We bear witness to God regarding credibility and speed of completion.