Absolutely! This is one of the most significant advantages for frequent flyers. Thanks to Dual SIM Dual Standby (DSDS) technology, your device can manage both your physical home SIM and your eSIMFlyer profile simultaneously. We recommend configuring your home SIM for calls and SMS – essential for receiving important 2FA codes or calls from family – and setting your eSIMFlyer as the primary data line. This way, you stay connected abroad without missing crucial communications, a perfect setup for multi-destination layovers in cities like Dubai or Istanbul.
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Can I keep my primary physical SIM active while using eSIMFlyer?
Updated April 22, 2026
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