
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 offers several unlimited‑data eSIM plans for Montenegro. The plans come in 5‑day, 10‑day, and 15‑day variants with prices ranging from $18.99 USD for 5 days to $40.99 USD for 15 days. All of these unlimited plans feature 5G connectivity and allow tethering.
Under Ohayu’s Fair Usage Policy, the data remains unlimited but may be throttled after heavy use, with a maximum speed of 1000 kbps. If you are concerned about potential speed restrictions, it is advisable to contact Ohayu directly to confirm how the FUP is applied and what data volume is typically available at normal speed.
Ohayu does not provide any Montenegro eSIM plans that include a phone number or SMS capability. Instead, all Ohayu eSIMs for Montenegro are data‑only, and travelers can use VoIP services such as WhatsApp, Telegram, or iMessage over the data connection for communication.
Ohayu offers a total of 13 data plans for Montenegro, comprising nine single‑country plans and four multi‑country plans. Prices vary between $8.49 and $71.49, while data caps range from 2 GB to unlimited across all plans. Validity periods span from 5 to 90 days. Some plans permit tethering and may experience throttling with a speed limit of up to 1000 kbps.
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