Absolutely! One of the key advantages of WorldESIM is its seamless integration with your existing setup, thanks to Dual SIM technology. You can keep your primary physical SIM card active alongside your WorldESIM. Many global travelers choose to configure their physical SIM for calls and SMS to receive important messages (like 2FA codes) from their home country, while setting their WorldESIM for all data usage. This allows you to manage personal and travel connectivity efficiently, whether you're in Canada or Thailand.
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Can I keep my primary physical SIM active while using WorldESIM?
Updated April 22, 2026
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