STC fiber optic representative, subscription, 5G offers. Requires the box to 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 a limitless 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 for credibility and speed of completion.