SIM technology has evolved from traditional physical SIM cards to digital SIM solutions. While all three technologies allow devices to connect to mobile networks, they differ in how they are installed, managed, and connected.
Physical SIM
A physical SIM is a removable chip that stores your mobile network information and connects your device to a carrier.
Removable Card
A physical SIM card needs to be inserted into your device's SIM card slot. You can remove and replace it when switching devices or carriers.
Carrier-Specific
Physical SIM cards are typically issued by a specific carrier. Using your home carrier while traveling internationally may result in expensive roaming charges unless you purchase a roaming package or a local SIM card.
Easy to Lose or Damage
Because it is a physical object, a SIM card can be lost, damaged, or misplaced, which may interrupt your service.
Solis Zero (eSIM)
Solis Zero uses eSIM technology, a digital SIM built directly into compatible smartphones and devices.
No Physical SIM Card Required
Instead of inserting a SIM card, you can download and install a Solis Zero eSIM profile directly on your device. Purchase a Solis Zero eSIM online and activate it in minutes without waiting for a physical SIM card to arrive.
One eSIM, Multiple Destinations
When you purchase a Solis Zero eSIM, you receive an eSIM profile and a data plan that covers one or more destinations. As long as your plan includes the countries you're visiting, you continue using the same eSIM profile throughout your trip
Avoid Expensive Roaming Charges
Instead of using your home carrier's international roaming service, purchase a Solis Zero data plan for your destination to enjoy affordable mobile data while traveling.
Fixed eSIM Profile
Each Solis Zero eSIM is associated with a specific data plan. If you need a different plan, you'll need to purchase and install a new Solis Zero eSIM.
SIMO vSIM
SIMO vSIM is SIMO's proprietary virtual SIM technology that enables compatible devices to connect to mobile networks without a physical SIM card. Like an eSIM, it provides digital connectivity, but it works differently.
Dynamic vSIM Assignment
Unlike an eSIM, which uses a downloaded eSIM profile, SIMO vSIM dynamically assigns a virtual SIM based on your location. As you travel between countries—or even move from one location to another—SIMO may assign a different vSIM that connects you to the best available local carrier.
Ease of Use
There's no need to download or install an eSIM profile. Simply purchase a data plan in the SIMO app, and your compatible device is automatically assigned a vSIM. This makes getting connected fast and hassle-free.
Manual Carrier Switching
If needed, you can also manually switch to another available carrier to improve coverage or performance.
Avoid Expensive Roaming Charges
SIMO vSIM uses SIMO data plans instead of your home carrier's roaming service, helping you stay connected without paying expensive international roaming charges.
Simple Plan Management
Purchase, renew, or change your data plan anytime in the SIMO app. There's no need to replace a physical SIM card or install a new eSIM profile.
Quick Comparison
| Feature | Physical SIM | Solis Zero (eSIM) | SIMO vSIM |
|---|---|---|---|
| SIM Type | Physical SIM card | Industry-standard digital SIM | SIMO proprietary virtual SIM |
| Physical card required | ✅ Yes | ❌ No | ❌ No |
| Setup | Insert a physical SIM card | Download and install an eSIM profile | Purchase a data plan and the vSIM is assigned automatically |
| Compatible devices | Devices with a physical SIM slot | eSIM-compatible devices | Devices with SIMO vSIM technology built in |
| How it connects | Uses the inserted SIM card | Uses the downloaded eSIM profile | Dynamically assigns a vSIM based on your location |
| Carrier selection | Fixed to one carrier | Fixed to the carrier(s) included in your eSIM plan | Automatically selects the best available carrier; manual switching is also available |
| Traveling between countries | May require roaming or a local SIM card | Continue using the same eSIM if your plan covers your destination | Automatically assigns the appropriate vSIM for your location |
| Changing data plans | May require a new SIM card | Purchase and install a new eSIM | Change your plan in the SIMO app—no new SIM or eSIM installation required |
| International roaming | May incur expensive roaming charges | Helps avoid expensive roaming charges | Helps avoid expensive roaming charges |
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