
Ohayu is a travel eSIM provider offering mobile data plans for 170+ countries. It connects users to local mobile networks abroad, with supported operators shown on destination and Global plan pages before purchase. Ohayu eSIMs are data-only, so travelers can use mobile internet while keeping their regular number for WhatsApp, Telegram, and other apps. Ohayu has eSIM apps for iOS and Android that let users install eSIMs, manage plans, check data usage, and add more data where top-up is available. Global subscription plans also let unused data roll over to the next billing period while the subscription stays active. Hotspot is supported on Ohayu plans where the device allows it.
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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 for Mongolia. Travelers can choose from fixed‑data plans instead, such as the 50GB plan valid for 90 days at $150.99 USD or the 25GB monthly plan at $49.49 USD. These options give substantial data allowances and can be more cost‑effective unless a user requires continuous, unlimited connectivity.
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 plans and four multi‑country plans in Mongolia. The plans vary primarily by data allowance, ranging from 2 GB to 50 GB, and by validity from 14 to 90 days. Prices cover a spectrum from about $9.99 to $150.99, giving customers options that span low‑to‑high data caps and short‑term to medium‑term durations. The single‑country plans give the user data exclusively for Mongolia, while the multi‑country options include Mongolia plus additional destinations. The plans also include features such as tethering on some offerings, and they differ mainly in the total data amount rather than in a daily cap structure.
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