Choose a plan
Info
Buy an eSIM for Guam online, pay securely and get your QR code by email within minutes. Install the profile on iPhone or Android before you travel; mobile data starts on first connection in Guam — no physical SIM and no expensive home-carrier roaming (where 1 GB can cost €10–15). Plans from 3.76 €.
eSIM vs roaming vs prepaid SIM
| Simy.ro eSIM | Home roaming | Local SIM | |
|---|---|---|---|
| Typical cost | Fixed price, far below roaming | €8–15/GB or more | €10–25 + airport time |
| Setup | QR by email, before your flight | Instant, expensive | Queues, documents, language |
| Usage control | No bill shock | Surprise charges | Depends on shop |
Roaming and local SIM figures are indicative and vary by carrier and offer. Check current rates before you travel.
How much data do you need?
Light (1–3 GB)
Maps, WhatsApp, email, occasional checks. Ideal for a 2–4 day city break.
Suggestion: 3–5 GB / 7 days
Normal (5–10 GB)
Social media, photos, short video calls, daily navigation. Good for a week away.
Suggestion: 5–10 GB / 7–15 days
Heavy (10+ GB or unlimited)
Streaming, laptop hotspot, remote work or family sharing. For longer trips or heavy use.
Suggestion: 10+ GB or unlimited plan
Setup in 4 steps
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1
Choose plan and pay Select Guam, data volume and complete secure checkout.
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2
Get QR by email Within minutes you receive the QR code and activation details (LPA).
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3
Install on Wi-Fi at home Settings → Cellular → Add eSIM → scan QR. Keep data off until destination.
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4
Activate at destination On arrival in Guam enable data on the eSIM line and turn off roaming on your home SIM.
Why an eSIM in Guam?
A travel eSIM for Guam keeps you online for maps, messaging, remote work or hotspot sharing, without hunting for prepaid SIMs at the airport. Keep your home number on the primary line and use the eSIM line for data. Pricing is transparent: pick GB and days, pay once, no subscription.
Tips before you go
Confirm your phone supports eSIM and is carrier-unlocked. Install the profile on Wi‑Fi at home, keep eSIM data off until you arrive, then enable data roaming on the eSIM line and turn off data on your home SIM to avoid surprise charges. If something fails, we can resend the QR from your order page or help on WhatsApp.
FAQ
Coverage
eSIM plans for Guam connect to partner mobile networks at the destination. Coverage depends on local operators; cities and tourist areas are usually well covered, while mountains or rural zones may vary.
Compatibility