eSIM & Internet in Asia
Asia ranges from Japan's lightning-fast 5G to rural Indonesia with patchy 3G. These guides cover carriers, data prices, airport connectivity and everything else you need before you land.
Destinations
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Thailand
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Indonesia
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Roaming vs Local SIM vs eSIM
| Roaming | Local SIM | eSIM | |
|---|---|---|---|
| Price | Often expensive | Cheap, bought locally | Fixed prepaid, from ~$3 |
| Setup | Automatic (0 min) | 15–60 min (shop + passport) | 5–10 min (online before travel) |
| Multiple countries | Depends on carrier | No (1 SIM = 1 country) | Yes (regional plans available) |
| Your number | Kept | New local number | Kept (dual SIM) |
| Risk | Surprise bills | Low (prepaid), SIM scams possible | Low (prepaid, secure online purchase) |
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