O2 Sim Only Terms & Conditions

These terms apply to Zinq’s O2 Sim Only mobile services, including promotional O2 Business Plus tariffs. All tariffs are subject to availability and may be available to new or re-signing customers only.

All standard O2 tariffs include unlimited UK minutes and unlimited UK SMS, subject to fair usage. Fair usage on unlimited tariffs is set at 3,000 UK minutes, 3,000 UK SMS, and 650GB of UK data per SIM per month. If usage exceeds these levels, additional charges may apply and services may be restricted or disconnected.

Contract Terms and Disconnection

Tariffs may be offered on either 30-day or 24-month minimum terms, with a 30-day notice period required for disconnection. The specific term will depend on the tariff selected at the point of order.

If a connection is disconnected within the minimum term:

Early termination fees will apply
A disconnection fee of £40 + VAT will apply where disconnection occurs within the initial 24-month period

Charges will apply up to the point of disconnection or port-out where applicable.

Fair Usage and Acceptable Use

SIM cards must be used for personal or legitimate business use only. You must not:

Use SIM cards in gateways, SIM boxes, or automated systems
Send large volumes of automated or unsolicited messages
Generate artificially inflated traffic
Use the service in a way that negatively impacts the network or other users

Zinq reserves the right to apply charges, restrict usage, or disconnect services where misuse is identified.

Roam Like at Home (EU Roaming)

Eligible tariffs include Roam Like at Home, allowing use of UK allowances within selected European destinations.

Fair usage limits apply:

25GB data allowance per month while roaming in EU/RLAH countries
Usage must reflect periodic travel, not permanent roaming

If roaming use exceeds 50% of total usage in a rolling 4-month period, or is otherwise deemed excessive, charges or restrictions may apply.

World Traveller Service (International Roaming)

Customers can use their UK allowances in selected global destinations via the World Traveller Service (WTS).

Charges are applied per calendar day (midnight–midnight UK time):

£5.50 per day (Tier 1 countries)
£8.50 per day (Tier 2 countries)

This daily charge includes:

Calls and SMS within country
Calls and SMS back to the UK
Incoming calls
Data usage within allowance

Out-of-allowance usage or out-of-country calls are charged at standard roaming rates.

WTS Fair Usage

25GB monthly fair usage in Tier 1 countries
2GB monthly fair usage in Tier 2 countries

Excessive usage may result in additional charges or restricted service.

Data Usage, Top-Ups and Out-of-Bundle Charges

If allowances are exceeded:

Usage will be charged at standard out-of-bundle rates
Data top-ups may be available to extend allowances

Top-ups should be applied before exceeding limits where possible, as charges may already apply once limits are breached.

Annual Price Changes

O2 tariffs and bolt-ons are subject to annual price changes:

Based on the RPI rate published in February each year
Effective from 1 April annually

From 2027 onwards, O2 Business Plus tariffs will move to a fixed annual increase of £0.50 per month per tariff.

Service and Availability

Network coverage, speeds, roaming availability, and features may vary depending on location, device, and network conditions.

Zinq reserves the right to update tariffs, roaming destinations, pricing, and fair usage policies at any time. Customers should refer to the latest published terms for the most up-to-date information.

om 2027 onwards, O2 Business Plus tariffs will move to a fixed annual increase of £0.50 per month per tariff.

Roaming

The following countries are included in Roam Like At Home Service: Alderney, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Gibraltar, Greece, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal, Romania, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey.

The following countries are included in the World Traveller Service (Teir 1): Afghanistan, Albania, Andorra, Anguilla, Antigua & Barbuda, Argentina, Armenia, Aruba, Australia, Bahrain, Bangladesh, Barbados, Bermuda, Bosnia & Herzegovina, Brazil, Cambodia, Canada, Cayman Islands, Chile, China, Colombia, Congo (Democratic Republic of), Costa Rica, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Fiji, Georgia, Ghana, Grenada, Guatemala, Guyana, Haiti, Honduras, Hong Kong, India, Indonesia, Israel, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kosovo, Kuwait, Lao People’s Democratic Republic, Lesotho, Macao, Macedonia, Malaysia, Mexico, Moldova, Mongolia, Montenegro, Montserrat, Morocco, Mozambique, Myanmar, Netherlands Antilles, New Zealand, Nicaragua, Oman, Pakistan, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Puerto Rico, Qatar, Russia, Saint Kitts and Nevis, Saint Lucia, Saint Vincent & the Grenadines, Samoa, Saudi Arabia, Serbia, Singapore, Sint Maarten, South Africa, South Korea, South Sudan, Sri Lanka, Suriname, Swaziland, Taiwan, Tanzania, Thailand, Tonga, Trinidad and Tobago, Turks and Caicos Islands, Ukraine, United Arab Emirates, United States, Uruguay, Uzbekistan, Vanuatu, Vietnam, Virgin Islands (U.S.), Virgin Islands, British

The following countries are included in the World Traveller Service (Teir 2): Algeria, Angola, Azerbaijan, Bahamas, Belarus, Belize, Benin, Bolivia, Botswana, Burundi, Cameroon, Cape Verde, Chad, Congo, Cuba, Equatorial Guinea, Falkland Islands (Malvinas), French Polynesia, Gabon, Gambia, Greenland, Guinea, Guinea-Bissau, Iraq, Ivory Coast, Lebanon, Liberia, Madagascar, Malawi, Mali, Mauritania, Mauritius, Namibia, Nepal, Niger, Nigeria, Palestinian Territory, Réunion, Rwanda, Senegal, Seychelles, Sierra Leone, Tajikistan, Togo, Tunisia, Turkmenistan, Uganda, Venezuela, Yemen, Zambia, Zimbabwe