
Ohayu is a travel eSIM provider offering high-speed mobile data in 190+ destinations. It connects users to more than 600 local mobile networks for strong coverage in each country. All plans support hotspot/tethering, top-ups, and full-speed data with no throttling. The Ohayu apps for iOS and Android allow users to install, manage, check data usage, and recharge their eSIMs in seconds.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
Ohayu does not provide an unlimited data eSIM plan for Mongolia. Travelers looking for high‑volume data can choose from several fixed‑cap options. For example, Ohayu offers a 50GB plan valid for 90 days at $173.79 USD and a 20GB plan, also 90 days, priced at $72.49 USD. Smaller data packages such as 10GB for 30 days or 5GB for 30 days are also available. Choosing a fixed plan can be more cost‑effective unless a user requires very heavy data usage beyond the largest available data cap.
Ohayu does not offer an eSIM for Mongolia that includes a phone number or SMS capability.
The provider only offers data‑only eSIM plans for this destination; travelers can use VoIP applications such as WhatsApp, Telegram or iMessage over the data connection for voice and messaging.
Ohayu offers six single‑country data plans for Mongolia.
The plans range in price from approximately $17.79 to $173.79 and provide data caps from 3 GB up to 50 GB, with validity periods between 14 and 90 days. All plans allow tethering. No multi‑country options are currently available for this destination.
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