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O2 Satellite launched in the UK on 26 February 2026, initially for selected Samsung Galaxy phones. Samsung was first in the launch coverage, but O2’s current compatibility list also includes selected Apple and Google phones. The key check is whether your exact handset, O2 plan and SIM qualify—not just whether it is a Samsung.
What O2 Satellite does
O2 Satellite adds a satellite connection alongside O2’s mobile network, extending limited connectivity into some places the terrestrial network does not reach. It works on a compatible phone without separate satellite hardware or a dedicated connection app. O2 describes it as a way to stay connected in areas beyond its main network, not as universal coverage. See O2’s O2 Satellite service page for the current offer and O2’s support information for operating details.
The service is designed for text messaging, location sharing and selected apps—not unrestricted mobile data. O2 lists services including WhatsApp, Messenger, mapping and weather apps; its supported-app list can change. Check O2’s current app and help information before relying on a particular app.
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Which phones are compatible?
O2’s current list includes selected Samsung, Apple and Google phones. Compatibility is model-specific, so a phone from a supported brand is not automatically eligible. Check the exact model against O2’s live compatible-device list before buying or activating the service.
#1 Best Overall
- Global Coverage: No Roaming Charges - Make and receive voice calls, SMS, track your position with GPS from anywhere on the globe.
- Complete Kit: Includes Inmarsat IsatPhone 2.1 satellite phone handset, Lithium-ion battery, International AC wall charger, Automobile DC charger, Holster with belt clip, Hands free earpiece, Lanyard, USB cable, USB thumb drive with documentation, Quick start guide, SIM card and 18 month warranty.
- Durable Design: Withstands dirt, dust and jets of water from every direction; IK04 shock resistance rating and an ingress rating of IP65; Operational temperature range of -20°C to +55°C.
- World Class Support: Get expert assistance from the BlueCosmo team for any satcom needs; Choose from various service options to fit your budget.
- Long Battery Life: 8 hours talk time and 160 hours standby; Lithium-ion battery provides longest lasting power for your satellite phone.
The initial Samsung focus reflects the launch: Stuff reported on 26 February 2026 that O2 had switched the service on for selected Samsung Galaxy phones. Samsung Mobile Press announced the Virgin Media O2 European partnership the following day. That launch timing does not mean Samsung is the only compatible brand today.
Price, plan and SIM requirements
As listed by O2 UK on 4 October 2026, the consumer Bolt On costs £3 per month, or the service is included with an Ultimate Plan. O2’s terms limit use to eligible pay-monthly customers and devices, subject to the applicable plan and purchase conditions. Confirm the current price and eligibility on O2’s service page before signing up.
Rank #2
- GLOBAL COVERAGE: NO ROAMING CHARGES – make and receive voice calls, SMS, track your position with GPS from anywhere on the globe – never pay roaming charges. Your coverage area is EARTH (except the extreme north and south polar regions).
- EVERYTHING YOU NEED WITH 18 MONTH WARRANTY: Inmarsat IsatPhone 2.1 satellite phone handset, Lithium-ion battery, International AC wall charger with international plugs, Automobile DC charger, Holster with belt clip, Hands free earpiece, Lanyard, USB cable, USB thumb drive with documentation, Quick start guide, SIM card & 18 MONTH WARRANTY exclusively from BlueCosmo Satellite Communications.
- RESISTS WATER AND DUST: SHOCK RESISTANT: TOUGH AND RELIABLE: IK04 shock resistance rating and an ingress rating of IP65: the IsatPhone2 can withstand dirt, dust and jets of water from every direction. It has a humidity tolerance of 0 to 95%, and an operational temperature range of -20°C to +55°C (-4°F to +131°F). An innovative transflective display technology provides enhanced daytime visibility. Longest lasting batteries of any satellite phone with 8 hours talk time and 160 hours standby.
- WORLD CLASS SUPPORT AND SERVICE: When you purchase your IsatPhone 2 satellite phone from BlueCosmo, you get a team of professionals who have been deploying satellite communications around the world for the most demanding customers since 2003. Our IsatPhone service options can fit any budget and we can get you up and running for all your critical satcom needs. Anytime. Anywhere.
Some customers may need a free SIM upgrade. O2 advises adding the service before entering satellite coverage and keeping the phone software up to date. Follow O2’s setup and SIM guidance for your account and device.
Where it works and what coverage to expect
O2 says Satellite currently works in the UK only. It is not available everywhere: check your location using O2’s coverage checker. The connection works best outdoors with a clear view of the sky, and the phone returns automatically to O2’s main network when terrestrial coverage becomes available.
Rank #3
- FLEXIBLE AIRTIME OPTIONS FOR GLOBAL USE - The Inmarsat IsatPhone 2 satellite phone includes a free SIM card. Before using your Inmarsat satellite phone, you must purchase an airtime plan for the SIM provided. Prepaid plans offer a set number of minutes for a one-time payment, with the option to add more anytime. Postpaid plans provide continuous service for a fixed monthly fee, ensuring uninterrupted use. We will provide information on the various plans available following your purchase.
- NEAR GLOBAL SATELLITE COVERAGE – Stay connected almost anywhere with the Inmarsat IsatPhone 2, offering reliable voice calls, SMS, and GPS tracking worldwide, excluding polar regions. Ideal for remote areas, off-grid adventures, and emergency preparedness.
- RUGGED & LONG-LASTING PERFORMANCE – Built for extreme conditions with shock, dust, and splash resistance, plus an impressive battery life of up to 8 hours talk time and 160 hours standby, ensuring dependable communication when you need it most.
- EMERGENCY & SAFETY FEATURES – Includes a one-touch assistance button to send GPS location data to emergency contacts, plus incoming call alerts even with the antenna stowed, so you're always reachable in critical situations.
- EXPERIENCED CUSTOMER SUPPORT – We have supported more than 50,000 customers across 130+ countries and our knowledgeable and friendly support team is always ready to support you, seven days a week, 365 days a year. We offer an online portal for activations, top-ups and extensions and offer a range of prepaid and postpaid airtime plans to suit any requirement.
At launch, O2 claimed the service raised UK landmass coverage to 95%, adding an area it described as “two thirds the size of the country of Wales.” Stuff reported those figures on 26 February 2026 as O2’s launch claim; they are not an independent measurement or a guarantee of coverage at a particular location. Use the live checker for a location-specific answer.
What you can—and cannot—do over satellite
- Messages and selected apps: Text messaging, location sharing and supported apps can work where O2 Satellite coverage is available. Unsupported apps do not get data over the satellite connection.
- Voice calls: O2 says standard voice calls are not supported, including emergency calls. WhatsApp calls may be affected by limited speeds and can briefly drop as satellites pass.
- Message delivery: Texts are usually sent promptly, though O2 says some can take a few minutes.
- Emergency contact: O2 warns customers not to rely on Satellite to contact emergency services. Its help information says a 999 text may work after registration with the UK EmergencySMS service, but government emergency alerts will not arrive over the satellite connection. Read O2’s current emergency and satellite instructions; this is not an emergency-call service.
How O2 Satellite differs from satellite SOS or a communicator
O2 Satellite is for supported messaging and selected apps through an eligible O2 phone and plan. A phone’s built-in satellite SOS feature is a separate service, generally aimed at emergency messaging; a dedicated satellite communicator is another distinct option. They are not interchangeable: O2 Satellite does not support voice or emergency calls, and its geographic availability and eligibility depend on O2’s service. O2 discusses the distinction with Apple Emergency SOS via satellite in its support information.
Quick Recap
Rank #4
- Global satellite messaging: Stay connected beyond cell coverage, use ZOLEO with your smartphone to transmit text messages and e-mails over the Iridium satellite network, cellular or Wi-Fi using the lowest-cost network available (service plan required)
- Emergency SOS: Send an SOS alert with your GPS location to 24/7 emergency monitoring center if something goes wrong, or access Medical Assist for non-emergency help
- Optional Travel Risk Management Coverage: Feel more secure wherever you go with a Field Rescue Membership from Global Rescue. Affordably priced, this travel risk management add-on offers immediate medical coverage for safe extraction and transportation to the nearest capable medical facility.
- Dedicated SMS number: An assigned ZOLEO SMS number and email enables contacts to reach out directly when you're off the grid
- Check-in: Send unlimited check-ins via the ZOLEO device or app, included in your plan
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