It's very unlikely that your home SIM card from the US, UK, Europe, or other regions will offer free roaming in East or Southeast Asia. Most international roaming plans from home carriers can be surprisingly expensive, quickly racking up charges for data, calls, and texts. Countries like Japan, South Korea, Thailand, and Vietnam are generally outside most 'roam like at home' zones. Using an EastESIM is a smart and cost-effective alternative, giving you local rates and high-speed data without the worry of bill shock from your domestic provider.
Will my home SIM card offer free roaming in Asia with EastESIM?
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