2025
eSIM and Physical SIMs: Why Unlocked Phones Give You the Best of Both Worlds
eSim, Unlock Phone
eSIM and Physical SIMs? Modern smartphones now offer two ways to connect to cellular networks: traditional physical SIM cards and eSIMs. While some manufacturers are moving toward eSIM-only devices, unlocked phones that support both options provide maximum flexibility and convenience.
The Power of eSIM
eSIMs revolutionize how we connect to mobile networks. These embedded chips let you switch carriers digitally without swapping physical cards. Perfect for travelers, you can maintain your home number while adding local plans abroad – all without touching a SIM ejector tool.
Physical SIMs Still Matter
Despite eSIM advantages, physical SIM slots remain valuable. They’re universally accepted, work with any carrier, and provide an instant backup option. Plus, they’re ideal for regions where eSIM adoption is still growing.
eSIM and Physical SIMs : Why Choose an Unlocked Phone

- Use multiple carriers simultaneously: Switch seamlessly between networks by combining an eSIM and physical SIM, perfect for maintaining separate personal and business lines on one device.
- Switch providers without changing devices: When a better plan comes along, you’re free to change carriers without purchasing a new phone, saving hundreds of dollars in hardware costs.
- Travel internationally with local SIM cards: Pop in a local SIM card while abroad for affordable data rates, while keeping your home number active on eSIM for important calls and messages.
- Enjoy higher resale value: Unlocked phones typically command better resale prices since potential buyers aren’t limited by carrier compatibility, increasing your return on investment.
eSIM and Physical SIMs : How to Check if Your Phone is Locked
Before diving into unlocking services, here’s how to determine if your phone is carrier-locked:
- Try a Different SIM Card: Insert a SIM from another carrier. If the phone shows “Invalid SIM” or asks for an unlock code, it’s locked.
- Check Your Phone Settings:
- On iPhone: Go to Settings > General > About. If carrier-locked, you’ll see “No SIM restrictions” or your carrier name
- On Android: Navigate to Settings > Connections > Networks. A locked phone typically shows carrier-specific settings
- Contact Your Carrier: Call your provider’s customer service or check their website with your IMEI number to confirm lock status.
- Check Your Contract: If you’re still paying off your phone through a carrier plan, it’s likely locked until the contract ends.
Pro Tip: Your phone’s IMEI number is crucial for checking lock status and using unlocking services like UnlockBase. To know your IMEI number just dial *#06#
The UnlockBase Advantage
If your phone is carrier-locked, UnlockBase offers quick, reliable unlocking services. Their process is simple:

Go to: https://www.unlockbase.com/unlock-phone/
- Select the brand of your phone.
- Type the IMEI of your phone.
- Enter your email for confirmation.
- Choose the country where the phone is locked to.
- Choose your network/carrier.
- Confirm your payment and wait for an email confirmation.
- Insert an unauthorized carrier and turn ON your phone.
- When the device asks for the code, enter the code which is provided by unlockbase
- Enter Unlock Code.
Making the Switch
After unlocking your phone, you can:
- Keep your physical SIM for your primary line
- Add an eSIM for international travel
- Test different carriers without commitment
- Maintain backup connectivity options
Looking Ahead
As networks evolve, having both eSIM and physical SIM capabilities ensures you’re ready for whatever comes next. Unlocked phones with dual SIM support represent the sweet spot between current convenience and future flexibility.
eSIM and Physical SIMs : Conclusion
The combination of eSIM technology and physical SIM support in unlocked phones offers unmatched versatility. Whether you’re a frequent traveler, tech enthusiast, or someone who values flexibility, unlocked dual-SIM phones provide the best experience. Services like UnlockBase make it easy to unlock your device and enjoy these benefits.
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