
No app and no registration: your eSIM is ready to install with one tap the moment you pay. yaySIM is a German provider with support in German and English, offering prepaid data plans in 160 destinations.
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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.
No, yaySIM does not provide an unlimited data eSIM for Southeast Asia. All of the plans listed for this region have a fixed data cap, such as 20GB for 30 days or 50GB for 180 days. Travelers who need a larger data allowance can choose one of these fixed data plans, for example the 50GB 180‑day plan that covers Indonesia, Cambodia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam, or the 20GB 30‑day plan that covers the same core countries plus additional ones. Fixed data plans can be more cost‑effective for most users, unless a traveler expects to consume data at a very high rate.
YaySIM does not offer any Southeast Asia eSIM plans that include a phone number or SMS capability. All available plans are data‑only, so travelers cannot receive or send carrier‑based voice calls or text messages. However, common VoIP applications such as WhatsApp, Telegram, and iMessage can typically be used over the data connection to make calls and send messages, although some destinations may block or restrict access to particular apps; users should verify app availability in the country they plan to visit before making a purchase.
Plans such as AS‑7_0.5_Daily cover Indonesia, Cambodia, Malaysia, Philippines, Singapore, Thailand, and Vietnam; SGMYVNTHID‑5_1_Daily covers Indonesia, Malaysia, Singapore, Thailand, and Vietnam; AS‑21_0.5_Daily covers Indonesia, Laos, Malaysia, Philippines, Singapore, Thailand, and Vietnam; AS‑12_0.5_Daily covers Indonesia, Cambodia, Malaysia, Singapore, Thailand, and Vietnam; AS‑20_1_7 covers Indonesia, Cambodia, Malaysia, Philippines, Singapore, Thailand, and Vietnam; GL‑120_1_Daily and its 7‑day variation cover Indonesia, Malaysia, Philippines, Singapore, and Thailand; and GL‑139_1_7 covers Brunei, Indonesia, Cambodia, Malaysia, Philippines, Singapore, Thailand, and Vietnam. These plans together provide coverage for the Southeast Asian countries of Indonesia, Cambodia, Malaysia, Philippines, Singapore, Thailand, Vietnam, Laos, and Brunei.
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Discover some of the most popular eSIM brands offering plans for Southeast Asia