⚖️ Updated 2026-07-23
For 1–8 weeks with family, an eSIM wins: activated from home, data on landing, and your home number stays active for bank codes. Staying beyond two months, a local SIM becomes the cheaper option.
Swap in a local SIM and your home SIM comes out — taking bank verification texts, one-time codes and calls from work with it. An eSIM sits NEXT TO your regular SIM: data flows through the eSIM while your number stays reachable. That's the real reason diaspora travelers switched.
Just keep your home SIM's data OFF abroad (or roaming charges tick) but calls/SMS ON. You miss nothing important.
A local SIM means a shop, your passport and a registration form — after a night flight, with kids and bags. Several countries (Turkey most famously) also require phone IMEI registration for longer stays, or the phone gets blocked for local SIMs after a few months. An eSIM is not registered against your phone that way.
Honestly: staying over two months, or making lots of local calls? A local prepaid SIM is cheaper per GB. Combine them — eSIM for landing day, local SIM once you reach a shop calmly.
Swedish operator roaming in Turkey: Telia's day pass is 169 kr per day for 1 GB (published price, July 2026) — two weeks can reach four figures. A Karib eSIM for Turkey starts at 99 kr for the whole trip. A local SIM lands in between, plus shop time. For short trips, the numbers speak for themselves.
Yes — that's the whole point. Data flows through the eSIM while your home number stays reachable for calls, texts and bank codes. Just switch data roaming off on the home SIM.
For stays beyond roughly two months, or if you make many local voice calls to numbers without WhatsApp. Then the local per-GB price wins.
No. You buy online, get a QR code and scan it at home — no passport, no queue, no shop.