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What is the best and cheapest SIM card for using with unlocked iPhones while touring Southeast Asia, Korea, India, Vietnam, and the US?

SIM Cards Travel SIM Unlocked iPhones Thailand Southeast Asia eSIM RedTeaGo Airalo International Roaming

May 15, 2025

a month ago

ORIGINAL POSTER

What is the best and cheapest sim card to use with 2 unlocked iphones for a couple touring multiple countries in southeast asia, in particular 5 months in Thailand, 2 months in Korea, 2 months in India, 2 months in Vietnam, 1 month in the US?

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TLDR : Answer Summary

For a couple touring Southeast Asia with unlocked iPhones, consider using eSIM options like RedTeaGo for affordable service in the region. Additionally, for connectivity in China, Airalo is recommended.

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Cesar *******

Check for eSims. In South East Asia I use RedTeaGo, works well and its inexpensive. For China, go for Airalo.

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