22 plans · from $4.99
Carriers: GTA Wireless 4G, Docomo
Coverage: 5G, 4G/LTE, 3G
Last updated date: June 02, 2026 at 11:00 PM
Buy now — activate within 90 days
Your QR code will be sent right after payment. Your plan starts when you first connect to a local network at your destination.
22 plans
Find your destination and pick the perfect plan by data volume and days!
Via Faster Payments System or bank card — fast and secure.
Delivered instantly to your email.
Activate your eSIM upon arrival — your internet will start working right away.
In Guam, a local SIM card is not essential, since a Vlex eSIM lets you connect to the network without a physical SIM. This is especially convenient for travelers, as you can activate your data plan as soon as you arrive.
Mobile internet speed in Guam is generally quite high, especially in urban areas. With an eSIM, you can enjoy fast internet without issues, as long as your device supports 4G or 5G.
Not all phones support eSIM, but many modern devices, such as iPhone and Samsung Galaxy models, are compatible with this technology. Before your trip, make sure your phone supports eSIM to avoid any connection issues.
Mobile network coverage in Guam is generally good, especially in major populated areas. A Vlex eSIM will provide you with a stable internet connection wherever you are on the island.
Using an eSIM is usually more cost-effective than roaming, as you can choose a data plan at a better rate. This is particularly beneficial for travelers who actively use social media and the internet during their trip.
QR by email in a minute. Online at the airport instantly.
Smooth checkout, QR in 2 minutes. Worked everywhere.
Third purchase — still fast and reliable.
No local SIM hunt, support was helpful.
Much cheaper than roaming, QR in 2 min.
Instant QR delivery.
China trip — data right after landing.
Installed at home, online at arrival.
SEA multi-country plan was handy.
3-minute setup from the email guide.
4× cheaper than EU roaming for me.
Support helped with Samsung setup.
For “GU”, exact prices for local SIM cards and carriers are still being updated. The table below shows approximate data for similar destinations.
| Parameter | Vlex eSIM | SIM GU | T-Mobile | Verizon | AT&T | Vodafone | Orange |
|---|---|---|---|---|---|---|---|
| Price per 1 GB | from $0.52 | ~$3.16 | ~$15.79 | ~$18.95 | ~$17.89 | ~$13.68 | ~$12.63 |
| Activation | Instantly via QR | At airport/office | Call/office | Call/office | Call/office | Call/office | Call/office |
| Price transparency | Fixed | Package / MB | Per day | Per day | Per day | Per day | Per day |
| Hidden fees | No | Possible | Possible | Possible | Possible | Possible | Possible |
| Need a physical SIM card | No | Yes | Yes | Yes | Yes | Yes | Yes |
| Availability | Online, 24/7 | On site | Office / Call | Office / Call | Office / Call | Office / Call | Office / Call |
One plan — multiple countries with no switching
