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Voxi Unlimited data SIM only plans

At Olimit, we help you compare the best unlimited SIM Only deals — all in one place.
Keep your phone, ditch the restrictions.

If you want no limits on how much data you use, an unlimited data SIM Only deal is the smart choice.

Most UK networks now offer unlimited plans to suit different budgets, so you can stream, scroll, and stay connected without worrying about caps.

Olimit Tips & Tricks

Unlimited data SIMs offer complete freedom, but they often come at a higher monthly cost. Before you commit, think about your usage. The average UK mobile user only uses around 10GB of data per month, so if you mainly browse, message, and stream occasionally, a smaller data plan might save you money.

However, if you’re always streaming Netflix, gaming on the go, using your phone as a hotspot, or working remotely, an unlimited data plan could be the hassle-free option you need. At Olimit, we help you compare unlimited and capped SIM Only deals, so you can find the best match for your data habits and budget.

It depends on the network. Look for Roaming Destinations in the deal listings below — it will show you how much roaming data is included and which countries are covered.

Most UK providers include EU roaming with unlimited data SIMs, but your usage abroad is usually capped — often between 12GB and 35GB per month. Some networks also charge extra for roaming outside the EU, like in the USA, Australia, or Asia.

Before you travel, always check your network’s roaming fair usage policy and whether your destination is included. At Olimit, we make it easy to compare unlimited SIM Only deals with roaming included, so you can stay connected abroad without unexpected charges.

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No Credit Checks
Smarty Unlimited Sim Deal
Uses Three's network
Unlimited
data
£17
No Contract

12GB

Åland Islands 🇦🇽
Austria 🇦🇹
Azores 🇵🇹
Balearic Islands 🇪🇸
Belgium 🇧🇪
Bulgaria 🇧🇬
Canary Islands 🇮🇨
Comoros & Mayotte 🇾🇹
Croatia 🇭🇷
Cyprus 🇨🇾
Czech Republic 🇨🇿
Denmark 🇩🇰
Estonia 🇪🇪
Finland 🇫🇮
France 🇫🇷
French Guiana 🇬🇫
Germany 🇩🇪
Gibraltar 🇬🇮
Greece 🇬🇷
Guadeloupe 🇬🇵
Hungary 🇭🇺
Iceland 🇮🇸
Ireland 🇮🇪
Italy 🇮🇹
Latvia 🇱🇻
Lithuania 🇱🇹
Luxembourg 🇱🇺
Madeira 🇵🇹
Malta 🇲🇹
Martinique 🇲🇶
Netherlands 🇳🇱
Norway 🇳🇴
Poland 🇵🇱
Portugal 🇵🇹
Réunion 🇷🇪
Romania 🇷🇴
Saint Barthélemy 🇧🇱
Saint Martin 🇲🇫
San Marino 🇸🇲
Slovakia 🇸🇰
Slovenia 🇸🇮
Spain 🇪🇸
Sweden 🇸🇪
Vatican City 🇻🇦

No Credit Checks
Cancel Anytime
Smarty Sim Deal
Uses Three's network
125GB
of data
£12
No Contract

12GB

Åland Islands 🇦🇽
Austria 🇦🇹
Azores 🇵🇹
Balearic Islands 🇪🇸
Belgium 🇧🇪
Bulgaria 🇧🇬
Canary Islands 🇮🇨
Comoros & Mayotte 🇾🇹
Croatia 🇭🇷
Cyprus 🇨🇾
Czech Republic 🇨🇿
Denmark 🇩🇰
Estonia 🇪🇪
Finland 🇫🇮
France 🇫🇷
French Guiana 🇬🇫
Germany 🇩🇪
Gibraltar 🇬🇮
Greece 🇬🇷
Guadeloupe 🇬🇵
Hungary 🇭🇺
Iceland 🇮🇸
Ireland 🇮🇪
Italy 🇮🇹
Latvia 🇱🇻
Lithuania 🇱🇹
Luxembourg 🇱🇺
Madeira 🇵🇹
Malta 🇲🇹
Martinique 🇲🇶
Netherlands 🇳🇱
Norway 🇳🇴
Poland 🇵🇱
Portugal 🇵🇹
Réunion 🇷🇪
Romania 🇷🇴
Saint Barthélemy 🇧🇱
Saint Martin 🇲🇫
San Marino 🇸🇲
Slovakia 🇸🇰
Slovenia 🇸🇮
Spain 🇪🇸
Sweden 🇸🇪
Vatican City 🇻🇦

No Credit Checks
Cancel Anytime
Smarty Sim Deal
Uses Three's network
110GB
of data
£10
No Contract

12GB

Åland Islands 🇦🇽
Austria 🇦🇹
Azores 🇵🇹
Balearic Islands 🇪🇸
Belgium 🇧🇪
Bulgaria 🇧🇬
Canary Islands 🇮🇨
Comoros & Mayotte 🇾🇹
Croatia 🇭🇷
Cyprus 🇨🇾
Czech Republic 🇨🇿
Denmark 🇩🇰
Estonia 🇪🇪
Finland 🇫🇮
France 🇫🇷
French Guiana 🇬🇫
Germany 🇩🇪
Gibraltar 🇬🇮
Greece 🇬🇷
Guadeloupe 🇬🇵
Hungary 🇭🇺
Iceland 🇮🇸
Ireland 🇮🇪
Italy 🇮🇹
Latvia 🇱🇻
Lithuania 🇱🇹
Luxembourg 🇱🇺
Madeira 🇵🇹
Malta 🇲🇹
Martinique 🇲🇶
Netherlands 🇳🇱
Norway 🇳🇴
Poland 🇵🇱
Portugal 🇵🇹
Réunion 🇷🇪
Romania 🇷🇴
Saint Barthélemy 🇧🇱
Saint Martin 🇲🇫
San Marino 🇸🇲
Slovakia 🇸🇰
Slovenia 🇸🇮
Spain 🇪🇸
Sweden 🇸🇪
Vatican City 🇻🇦

No Credit Checks
Cancel Anytime
Three Sim Deal
Uses Three's network
50GB
of data
£8
No Contract

12GB

Åland Islands 🇦🇽
Austria 🇦🇹
Azores 🇵🇹
Balearic Islands 🇪🇸
Belgium 🇧🇪
Bulgaria 🇧🇬
Canary Islands 🇮🇨
Comoros & Mayotte 🇾🇹
Croatia 🇭🇷
Cyprus 🇨🇾
Czech Republic 🇨🇿
Denmark 🇩🇰
Estonia 🇪🇪
Finland 🇫🇮
France 🇫🇷
French Guiana 🇬🇫
Germany 🇩🇪
Gibraltar 🇬🇮
Greece 🇬🇷
Guadeloupe 🇬🇵
Hungary 🇭🇺
Iceland 🇮🇸
Ireland 🇮🇪
Italy 🇮🇹
Latvia 🇱🇻
Lithuania 🇱🇹
Luxembourg 🇱🇺
Madeira 🇵🇹
Malta 🇲🇹
Martinique 🇲🇶
Netherlands 🇳🇱
Norway 🇳🇴
Poland 🇵🇱
Portugal 🇵🇹
Réunion 🇷🇪
Romania 🇷🇴
Saint Barthélemy 🇧🇱
Saint Martin 🇲🇫
San Marino 🇸🇲
Slovakia 🇸🇰
Slovenia 🇸🇮
Spain 🇪🇸
Sweden 🇸🇪
Vatican City 🇻🇦

No Credit Checks
Cancel Anytime
Three Sim Deal
eSIM
Available
12 Month Paramount+
Three logo olimit
8GB
of data
£12
until April 2026
Price rises every April in contract by £1.25
24 Month Contract
Three Sim Unlimited Deal
eSIM
Available
Three logo olimit
Unlimited
data
£13.50

for 6 Months,

then £27
until April 2026
Price rises every April in contract by £1.50
24 Month Contract
Three Value Sim Deal
eSIM
Available
6 month Paramount+
Three logo olimit
12GB
of data
£19
until April 2026
Price rises every April in contract by £1.25
12 Month Contract

12GB

🇦🇽 Åland Islands (Finland)

🇦🇹 Austria

🇵🇹 Azores (Portugal)

🇪🇸 Balearic Islands (Spain)

🇧🇪 Belgium

🇧🇬 Bulgaria

🇪🇸 Canary Islands (Spain)

🇭🇷 Croatia

🇨🇾 Cyprus

🇨🇿 Czech Republic

🇩🇰 Denmark

🇪🇪 Estonia

🇫🇮 Finland

🇫🇷 France

🇬🇫 French Guiana

🇩🇪 Germany

🇬🇮 Gibraltar

🇬🇷 Greece

🇬🇵 Guadeloupe

🇬🇬 Guernsey

🇭🇺 Hungary

🇮🇸 Iceland

🇮🇪 Ireland

🇮🇲 Isle of Man

🇮🇹 Italy

🇯🇪 Jersey

🇱🇻 Latvia

🇱🇮 Liechtenstein

🇱🇹 Lithuania

🇱🇺 Luxembourg

🇵🇹 Madeira (Portugal)

🇲🇹 Malta

🇲🇶 Martinique

🇾🇹 Mayotte

🇳🇱 Netherlands

🇳🇴 Norway

🇵🇱 Poland

🇵🇹 Portugal

🇷🇪 Réunion

🇷🇴 Romania

🇧🇱 Saint Barthelemy

🇫🇷 Saint Martin

🇸🇲 San Marino (Italy)

🇸🇰 Slovakia

🇸🇮 Slovenia

🇪🇸 Spain

🇸🇪 Sweden

🇨🇭 Switzerland

🇻🇦 Vatican City

Three Sim Deal
eSIM
Available
Three logo olimit
12GB
of data
£6
until April 2026
Price rises every April in contract by £1.25
12 Month Contract
Three Complete Sim Deal
eSIM
Available
24 month Paramount+
Three logo olimit
120GB
of data
£22
until April 2026
Price rises every April in contract by £1.50
24 Month Contract

12GB

🇦🇽 Åland Islands (Finland)

🇦🇹 Austria

🇵🇹 Azores (Portugal)

🇪🇸 Balearic Islands (Spain)

🇧🇪 Belgium

🇧🇬 Bulgaria

🇪🇸 Canary Islands (Spain)

🇭🇷 Croatia

🇨🇾 Cyprus

🇨🇿 Czech Republic

🇩🇰 Denmark

🇪🇪 Estonia

🇫🇮 Finland

🇫🇷 France

🇬🇫 French Guiana

🇩🇪 Germany

🇬🇮 Gibraltar

🇬🇷 Greece

🇬🇵 Guadeloupe

🇬🇬 Guernsey

🇭🇺 Hungary

🇮🇸 Iceland

🇮🇪 Ireland

🇮🇲 Isle of Man

🇮🇹 Italy

🇯🇪 Jersey

🇱🇻 Latvia

🇱🇮 Liechtenstein

🇱🇹 Lithuania

🇱🇺 Luxembourg

🇵🇹 Madeira (Portugal)

🇲🇹 Malta

🇲🇶 Martinique

🇾🇹 Mayotte

🇳🇱 Netherlands

🇳🇴 Norway

🇵🇱 Poland

🇵🇹 Portugal

🇷🇪 Réunion

🇷🇴 Romania

🇧🇱 Saint Barthelemy

🇫🇷 Saint Martin

🇸🇲 San Marino (Italy)

🇸🇰 Slovakia

🇸🇮 Slovenia

🇪🇸 Spain

🇸🇪 Sweden

🇨🇭 Switzerland

🇻🇦 Vatican City

🇦🇺 Australia

🇧🇷 Brazil

🇨🇱 Chile

🇨🇴 Colombia

🇨🇷 Costa Rica

🇸🇻 El Salvador

🇬🇹 Guatemala

🇭🇰 Hong Kong (China)

🇮🇩 Indonesia

🇲🇴 Macao (China)

🇳🇿 New Zealand

🇳🇮 Nicaragua

🇵🇦 Panama

🇵🇪 Peru

🇵🇷 Puerto Rico

🇸🇬 Singapore

🇱🇰 Sri Lanka

🇺🇸 United States of America (USA)

🇺🇾 Uruguay

🇻🇮 U.S. Virgin Islands

🇻🇳 Vietnam

🇦🇱 Albania

🇦🇩 Andorra

🇦🇬 Anguilla

🇦🇬 Antigua and Barbuda

🇦🇷 Argentina

🇦🇲 Armenia

🇦🇼 Aruba (Netherlands Antilles)

🇦🇿 Azerbaijan

🇧🇸 Bahamas

🇧🇭 Bahrain

🇧🇩 Bangladesh

🇧🇧 Barbados

🇧🇲 Bermuda

🇧🇴 Bonaire (Netherlands Antilles)

🇧🇦 Bosnia and Herzegovina

🇻🇬 British Virgin Islands

🇧🇳 Brunei

🇧🇫 Burkina Faso

🇰🇭 Cambodia

🇨🇲 Cameroon

🇨🇦 Canada

🇰🇾 Cayman Islands

🇨🇳 China

🇨🇼 Curaçao (Netherlands Antilles)

🇹🇷 Cyprus, North (Turkey)

🇨🇮 Côte d’Ivoire (Ivory Coast)

🇩🇲 Dominica

🇩🇴 Dominican Republic

🇪🇨 Ecuador

🇪🇬 Egypt

🇫🇴 Faroe Islands

🇬🇦 Gabon

🇬🇪 Georgia

🇬🇭 Ghana

🇬🇱 Greenland

🇬🇩 Grenada

🇬🇳 Guinea

🇬🇾 Guyana

🇭🇹 Haiti

🇭🇳 Honduras

🇮🇳 India

🇯🇲 Jamaica

🇯🇵 Japan

🇯🇴 Jordan

🇰🇿 Kazakhstan

🇰🇪 Kenya

🇽🇰 Kosovo

🇰🇼 Kuwait

🇰🇬 Kyrgyzstan

🇱🇷 Liberia

🇲🇬 Madagascar

🇲🇼 Malawi

🇲🇾 Malaysia

🇲🇽 Mexico

🇲🇩 Moldova

🇲🇪 Montenegro

🇲🇸 Montserrat

🇲🇦 Morocco

🇲🇲 Myanmar

🇳🇪 Niger

🇳🇬 Nigeria

🇲🇰 North Macedonia

🇴🇲 Oman

🇵🇰 Pakistan

🇵🇾 Paraguay

🇶🇦 Qatar

🇷🇼 Rwanda

🇧🇶 Saba (Netherlands Antilles)

🇰🇳 Saint Kitts and Nevis

🇱🇨 Saint Lucia

🇻🇨 Saint Vincent and the Grenadines

🇸🇦 Saudi Arabia

🇸🇳 Senegal

🇷🇸 Serbia

🇸🇨 Seychelles

🇧🇶 Sint Eustatius (Netherlands Antilles)

🇧🇶 Sint Maarten (Netherlands Antilles)

🇿🇦 South Africa

🇰🇷 South Korea

🇸🇷 Suriname

🇹🇼 Taiwan

🇹🇯 Tajikistan

🇹🇭 Thailand

🇹🇹 Trinidad and Tobago

🇹🇳 Tunisia

🇹🇷 Turkey

🇹🇨 Turks and Caicos Islands

🇺🇬 Uganda

🇺🇦 Ukraine

🇦🇪 United Arab Emirates (UAE)

🇺🇿 Uzbekistan

🇿🇲 Zambia

Three Sim Deal
eSIM
Available
Three logo olimit
Unlimited
data
£20
until April 2026
Price rises every April in contract by £1.50
24 Month Contract
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