What Is an eSIM? How It Differs from a Physical SIM
An eSIM (embedded SIM) is a digital SIM written straight into your phone's chip â there is no plastic card to insert. After purchase you install a profile with a QR code or activation code, and it carries mobile data just like a normal SIM. For frequent travellers and remote workers, the big win is simple: install before you leave, and it works the moment you land â no airport-counter queues.
eSIM vs physical SIM
A physical SIM is a plastic card you slot into the tray; an eSIM is a software profile downloaded onto your phone's built-in eSIM chip. Both carry data and (on voice-enabled SIMs) calls â the difference is that an eSIM needs no physical card: nothing to ship, swap, lose, or take up the tray.
Because it is delivered digitally, an eSIM can be installed days before you travel and enabled on arrival. Many phones also keep your home physical SIM active for calls and texts while the eSIM handles data.
Why an eSIM helps when you travel
First, speed: the QR code reaches your email and order page right after payment â no shipping wait. Second, less hassle: no hunting for a local counter or leaving a passport deposit on arrival. Third, flexibility: keep your home SIM for calls while the eSIM carries data, side by side. SOHO goto plans also spell out the carrier, exit IP, and app availability on the plan page, so you know before you buy.
Which phones support eSIM
Most flagships from recent years qualify: iPhone XS/XR and newer, recent Samsung Galaxy S/Z, Google Pixel, and some international OPPO, Xiaomi, and vivo models. A quick check: dial *#06# â if an EID number shows, the device usually supports eSIM. See the full device table in the Help Center.
Note: some Android models sold in mainland China, Hong Kong, and Macao have eSIM disabled, and carrier-locked phones may block installation. If unsure, check your exact model against the device table before buying.
What to check before you buy
First, SOHO goto plans are data-only â no local number, voice, or SMS; use WhatsApp, FaceTime, WeChat, and similar apps for calls. Second, treat the eSIM profile as single-install: deleting it usually cannot be undone, and most profiles cannot move to another phone after installation. Third, most plans count validity from activation and first network connection, so install early and activate once you arrive.
Frequently Asked Questions
- Can an eSIM make calls and send SMS?
- SOHO goto eSIMs are data-only â no local number, voice, or SMS. Use internet apps such as WhatsApp, FaceTime, Zoom, WeChat, or Telegram for calls and messages.
- Can I use the eSIM and my regular SIM at the same time?
- Yes, if your phone supports dual-SIM standby. Keep your home SIM for calls and texts and set the eSIM as the mobile data line.
- How do I confirm my phone supports eSIM?
- Dial *#06# â an EID number usually means it is supported. You can also check the device table in the Help Center. Carrier-locked or some China-market models may be limited.