Ohayu
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.
Ohayu eSIM Data Plans for East Asia
124 Countries 124 Countries 124 Countries 124 CountriesData 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 for East Asia FAQ
Does Ohayu offer unlimited data eSIM for East Asia?
Ohahu does not provide an unlimited data eSIM plan for East Asia. All of its East Asia plans have fixed data caps, such as the 25GB Monthly plan and the 15GB Monthly plan, each with a 30‑day validity and a monthly subscription. Travelers who need more data than these caps can purchase additional fixed‑data plans, which can be more cost‑effective unless they are extremely heavy data users.
Does Ohayu offer East Asia eSIM with phone number and SMS?
Ohayu does not provide eSIM plans that include a phone number or SMS capability for destinations in East Asia. Travelers using Ohayu in East Asia can use the data allowance for internet access, but will need to rely on VoIP applications such as WhatsApp, Telegram, or iMessage for voice and messaging. Some service apps may be blocked or restricted on local networks, so users should confirm that the VoIP services they require work in their specific destination before purchasing.
What countries are covered by Ohayu's eSIM plans in East Asia?
The Monthly plan offered by Ohayu covers the entire set of East Asian countries recognised by the approved list – China, Hong Kong, Japan, South Korea, Mongolia, Macau and Taiwan – and additionally extends to other regions worldwide, although those are outside the East Asian scope.
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