Tonga eSIM
Data for Tonga on Digicel and TCC, from $12.89. It never expires, tethering is included, and refills land on the line you already have, with nothing new to install.
- Networks
- Digicel and TCC
- Typical speed
- 18 Mbps typical, 4 Mbps at busy times
- 5G
- 4G only
- Throttle
- None on metered plans
- Tethering
- Allowed on every plan
Plans for Tonga
| Data | Validity | Price per GB | Price | Buy |
|---|---|---|---|---|
| 1 GB | Never expires | $12.89 | $12.89 | |
| 3 GB | Never expires | $8.63 | $25.89 | |
| 5 GBMost travellers | Never expires | $7.58 | $37.89 | |
| 10 GB | Never expires | $6.39 | $63.89 |
Every plan works the moment you land. Unused data returns to your wallet when the line closes, and customers get at least 100 MB of free rescue data a month even at zero balance.
What 18 Mbps actually means in Tonga
Typical download speed on Orbislo in Tonga: 18 Mbps. That is below the Oceania median of 39 Mbps, so plan around it rather than being surprised by it.
The tenth percentile is 4 Mbps. That gap between the median and the floor is normal and it is where the frustration lives: the connection is quick most of the time and noticeably slow in the busiest few percent of moments, typically at transport hubs at peak hour.
Expect maps, messaging and payments to work and expect anything video shaped to struggle. This is a destination where offline maps earn their download, and where a video call is worth scheduling around wifi rather than attempting from a moving vehicle.
Which networks you will be on
Orbislo carries traffic in Tonga on Digicel and TCC. Your phone is not tied to one of them. When the network you are attached to congests or drops, the profile moves you to the other, and it happens without a prompt and without you noticing anything except that the connection kept working.
This matters more than the headline speed. Almost every travel eSIM sold today resells a single upstream agreement per country, so when that one network has a bad hour you have a bad hour with it and your only option is to buy a second eSIM from somebody else. A profile with more than one network behind it can make a decision you never see.
5G in Tonga: 4G only. A well provisioned 4G cell comfortably outruns a congested 5G one, which is why the figure above is throughput rather than a network generation.
What data costs in Tonga
A 1 GB plan for Tonga starts at $12.89, which is $12.89 a gigabyte. That is the number to compare between providers, because a headline price attached to a different allowance tells you nothing.
The comparison most providers would rather you did not run is cost per gigabyte actually used. Independent surveys of travel data put the share of purchased data lost to expiry between 20 and 35 percent, because a plan that expires on day thirty deletes what you did not get through. Orbislo data has no expiry date, so the gigabyte you paid for is still there on the next trip. At the same headline price that is 25 to 40 percent more usable data, and in Tonga it means the effective cost is nearer $9.28 a gigabyte than $12.89.
Because nothing expires, the cheapest way to buy for Tonga is to buy slightly less than you think you need and top up if you run out. Topping up takes about ten seconds and does not involve installing anything. Buying too much is the expensive mistake everywhere else and merely a neutral one here.
Landing in Tonga
Install before you fly, on your home wifi. The profile downloads while you still have a connection you trust, then sits dormant until you land in Tonga and it attaches to Digicel.
On landing there is one thing to check: data roaming has to be switched on for the Orbislo line. It is off by default on both iOS and Android, and it has nothing to do with roaming charges here, because the plan is prepaid and there is no bill to run up. Turn it on for the Orbislo line and leave it off for your home line, and your home number keeps working for calls and bank codes without costing anything.
Worth knowing about Tonga
- Tonga's telecoms regulator is the Communications Commission Tonga, which handles licensing, spectrum allocation and service standards across the kingdom.
- A complaint about a Tongan mobile service goes to the provider first. If that fails, it can be put in writing to the Commission by email to info@cct.gov.to or by phone on 0800 228, which is free to call, with the provider's reference number attached.
- The governing law is the Communications Act 2015, with the Communications Commission Act 2015 defining the regulator's powers over technical standards and competition. Spectrum management, type approval, licensing and consumer protection sit under that framework.
- Registration under the Communications Act 2015 is a duty on companies, not on customers. The registers the Act requires cover network operator licences, service providers, assigned numbers, spectrum assignments and approved types of customer equipment.
- Section 90 of the Communications Act 2015 says a person shall not install, operate or use any radio transmitting equipment in Tonga without a radio spectrum licence granted by the regulator, except where the use is permitted under the radio spectrum rules.
- Section 78 of the same Act has the regulator make rules on which customer equipment must be approved before it is connected to a network in Tonga, and section 79 requires a public register of approved equipment types.
- Regulatory oversight moved out of the communications ministry in July 2026, when the Communications Commission Tonga took over telecommunications, broadcasting and spectrum from the Department of Communications under MEIDECC. The underlying rules, including the type approval duty in the Communications Technical Rules 2018, did not change.
- The undersea cable linking Tonga to the rest of the world was severed by the Hunga Tonga eruption and tsunami in January 2022. It came back on 22 February 2022, more than five weeks later, after about 90 kilometres of damaged cable was replaced.
- Through that outage the country ran on makeshift satellite services, and restoring the international cable did not help the outer islands, because the second cable connecting them to Tongatapu was still cut.
- The domestic cable linking Tongatapu to Ha'apai and Vava'u was only back in service on the night of 12 July 2023, about 18 months after the eruption destroyed it, and the repair used over 108 kilometres of cable.
- Vava'u and Ha'apai lost cable service again on 29 June 2024. Local providers fell back to low bandwidth satellite links with limited capacity, and it was expected to be several weeks before anyone could say when normal service would return.
- That June 2024 failure was Tonga's third major internet outage, after the national and domestic cable blackouts of 2019 and 2022.
- Strong earthquakes centred in Ha'apai cut the domestic cable to Vava'u and Ha'apai once more in August 2024, confirmed by Tonga Cable acting chief executive Sosafate Kolo.
- Repairs depend on a cable ship reaching Tonga from overseas, which is why outer island outages run for weeks. In 2024 the repair vessel was delayed in Fiji with propeller trouble and the damage assessment slipped by more than a week.
- Two mobile networks serve Tonga. Digicel is one; the other is the state owned Tonga Communications Corporation, which brands its mobile service UCall, holds over half the GSM market and says it has the widest cellular coverage in the country, with branches in all the outer island groups.
- TCC runs a customer care line on 0800222, free to call and staffed around the clock, and that is where a UCall fault gets reported before it goes to the regulator.
How Tonga compares across Oceania
- Regional typical speed
- 30.5 Mbps
- Upstream networks
- 2, Digicel, TCC
- 5G
- 4G only
- Next fastest nearby
- Papua New Guinea, 19 Mbps
- Cities with their own page
- 1: Nukualofa
