Yes, absolutely! Most modern smartphones support Dual SIM functionality, allowing you to use your CheapESIM alongside your existing physical SIM card. This means you can keep your primary number active for calls and SMS from your home country (e.g., for banking 2FA codes) while using CheapESIM for all your data needs. This setup offers the best of both worlds: maintaining your existing communication channels while significantly cutting down on data roaming costs with CheapESIM's affordable plans.
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Can I keep my primary physical SIM active while using CheapESIM?
Updated April 22, 2026
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