WiFi exists at the Haram and hotels, but cellular networks become severely congested during peak Hajj days — always prepare for offline operation.
WiFi is available at Masjid al-Haram (free but slow during peak times), most hotels in Makkah and Madinah, and some restaurants and shopping centers. The Saudi government has invested significantly in telecom infrastructure for Hajj, and 4G/5G coverage from carriers STC, Mobily, and Zain is available throughout the Hajj sites.
However, the practical reality during peak Hajj days (8th-13th of Dhul Hijjah) is that cellular networks become severely congested when 2+ million people are concentrated in the relatively small areas of Mina, Arafat, and Muzdalifah. Sending a simple text message can take multiple attempts, and data-heavy applications become essentially unusable. This is why IhramOS is built with an offline-first architecture — all ritual guidance, dua content, and safety features work without any internet connection. Download all necessary content, maps, and app data while you have reliable WiFi at your hotel before the Hajj days begin.