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Terms & conditions

O2 Mobile Broadband tariff terms from 14 May 2020

2.Data charges

1. General

I. These are our business Mobile Broadband tariff terms (“Business Mobile Broadband Tariff Terms”) for business customers from 14 May 2020. They’ll apply to you if you have signed up to one of these tariffs, upgraded your device  and signed up for a new minimum term or changed the tariff you’re on (or elements of it) at any time on or after 14 May 2020.

II. If you haven’t done one of these things, the tariff terms when you signed up, last upgraded or changed your tariff will still apply until you do or until we contact you to tell you otherwise. These terms are in addition to your contract, which can be found at (“Business Contract”).

III. In these terms, "you" means you the Customer, and "your" shall be interpreted accordingly, while "we", "our", "us" or "O2" means Telefónica UK Ltd.

IV. These terms relate to the following Business Mobile Broadband Tariffs (the “Tariffs”):
  a. Mobile Broadband SIM Only; and
  b. Business Essentials Data Only tariffs.
  c. Small Business Data Only tariffs.

V. Business Essentials tariffs are also subject to bespoke terms and conditions. They can be found at

VI. Connection to any of the Tariffs may be subject to status, credit-check, fraud check, affordability assessment and the terms of a 30 day, 12 or 24 month Minimum Period (as defined in your Business Contract).

VII. If you have subscribed to the 30 day Mobile Broadband SIM Only plan (Mobile Broadband SIM only plans with no Minimum Period) you may give us written notice that you wish to end your 30 day Mobile Broadband SIM Only plan contract or change plan at any time, and this will be effective 30 days after we receive your notice. You will be required to pay the applicable monthly charge for your Mobile Broadband SIM Only plan until the end of this 30 day notice period. Mobile Broadband SIM Only plans with a Minimum Period are subject to the same terms as the Tariffs save in respect of any device/equipment related provisions. Device upgrades are not available on Mobile Broadband SIM Only plans.

VIII. If you take a Mobile Broadband SIM Only plan, your current device may be latched/locked to another network and you may need to obtain an unlatching/unlocking code from your current network operator and service provider. This code is not the same as your PIN code. Failure to enter the correct unlatching code may result in your mobile phone becoming permanently blocked. We accept no responsibility for devices blocked in this way or for any costs incurred in the provision of this code.

X. In addition to the terms of your Business Contract, for your device/equipment supplied from 14 May 2020 with one of the Tariffs we warrant that the device/equipment will conform in all material respects to the manufacturer’s specification from the date on which it is dispatched to you for 12 months or for the duration of your Minimum Period, whichever is longer, up to a total maximum warranty period of 24 months (but in the case of software 90 days). Some devices/equipment, is expressly excluded from this extended warranty period.

XI. To access O2’s data services your device/equipment must be data compatible and enabled. Access to data services is subject to network coverage.

XII. Prices are correct at time of going to print but are subject to change.

XIII. Customers taking E Care and E Billing plans must maintain an email account.

XVIII. In the event of a change of tariff, any unused inclusive data will be lost.

XXII. Itemised paper billing is not included as standard. An itemised breakdown of data can be viewed for no charge online by registering for O2’s My O2 Account website at

XXIII. We sometimes receive the details of Charges from another network late. Any late Charges which relate to a previous billing month will be highlighted on your bill.

XXIV. Alternatively you can pay to receive an itemised paper bill at an additional cost of £1.00 per month, per customer.

XXV. Customers who wish to pay by payment methods, other than Direct Debit, will be charged a direct debit opt out charge of £2.50 per month, per customer.

XXVI. Spend Caps
  a. If you are a new or upgrading customer on or after 1 October 2018 and subscribing to an eligible tariff, you can apply a Spend Cap to your bill to help control your spend on out of bundle charges. Any chargeable usage outside of your monthly allowance or outside of any Bolt On allowance will count towards your Spend Cap. Once you use up your Spend Cap any additional chargeable usage will be barred.
  b. You can set your Spend Cap at £0, £5, £10, £15, £20, £30, £50, £75, £100 and £200.
  c. The Spend Cap includes any chargeable usage outside of your monthly allowance or outside of any Bolt On allowances such as: 
    i.    additional calls, texts and data usage when your standard bundle or Bolt On allowance has run out;
    ii.    calling and texting non-geographical or premium rate numbers aside from those premium rate numbers used for charitable donations which sit outside your Spend Cap, as set out below;
    iii.   calling and texting any international number from the UK;
    iv.   calling and texting any number outside of our Europe Zone (excluding the UK) when you are in our Europe Zone;
    v.    calling, texting and using data when you are in a country which is outside of our Europe Zone (excluding the UK);
    vi.   calling directory enquiry services; and
    vii.   the charge you pay to O2 for accessing any third party services. 
  d. The following Charges do not count towards your Spend Cap:
    i.    recurring charges towards your Airtime Plan, Device Plan, and insurance; 
    ii.    any Bolt On charges which you opt-in to;
    iii.   any charitable donations made from your phone;
    iv.   charge to Mobile such as buying digital contents and apps from your phone; 
    v.    any charges relating to the management of your account which includes but is not limited to paper bills, itemised paper bills and late payment fees; and
  e. For further details relating to Send Caps please see
XXVII. Auto – Switch
You are able to switch up to 24 connections to another provider by calling us, using a free text service (available for switching of 1 connection only), via webchat, via your My O2 Business Account or by sending us an email. We will then send you your PAC or STAC and Switching Information related to the numbers that you would like to switch.
If you decide to switch, the 30 days’ notice period will not apply and you will be able to switch as soon as you use your PAC or STAC.
Please note that you will still have to pay Termination Fee in accordance with your agreement and Auto Switch does not apply if you would like to switch more than 25 connections.
STAC means Switching Termination Authorisation Code provided to you by O2 if you request to switch but not to retain your existing number.
PAC means Porting Authorisation Code provided to you by O2 if you request to switch and retain your existing number.
Switching Information means Termination Fee in relation to the services that you are switching.
For further details related to Auto Switch please visit

2. Data Charges

I. Data usage is measured in kilobytes (KB). 1MB = 1024 Kilobytes (KB), 1024 MB = 1 Gigabyte (GB).  Unless otherwise stated, data usage excludes VAT, is quoted by the MB and then rounded-up to the nearest penny. Data usage will be rounded to the nearest kilobyte and charges are rounded up to the nearest 1p. You are billed for the amount of data that travels over the data network. Please note that your bill may include charges for re-sent data packets and packets added to control the flow of data over the network.

II. Your tariff includes a monthly data allowance which allows you to use data in the UK and in our Europe Zone data network via your mobile phone (internet capable and/or Wi-Fi accredited phones only). If you exceed your monthly allowance you will be charged out of bundle data charges of 3p per MB for any additional data you use. Please see our Fair Usage Policy for more details. Extra data Bolt On’s are available, see

III. Regardless of the amount of data you use, you must not use your SIM Card:
  a. in, or connected to, any device other than the one which it was supplied with or intended by us for use with (for example a mobile phone simplicity tariff SIM Card is intended for use in a mobile phone not a modem (this includes putting your SIM Card into a modem);
  b. contrary to our Fair Usage Policy; or
  c. in such a way that we reasonably believe adversely impacts the service to other O2 customers.

IV. If your device/equipment supports internet-tethering then this will be included in your data bolt on and internet-tethering usage will be part of your monthly data allowance.

V. We reserve the right to use appropriate traffic-shaping, charges or throttling measures to protect our network from types of data usage which we think might impact on levels of service for customers at specific times of day and/or in specific locations.

X.    If you are using your Equipment abroad and outside of our Europe Zone then additional charges will apply in accordance with the General Conditions for Business. If you use Services abroad, it will usually take longer to be billed. It's best to check the cost of using your Equipment abroad before you travel. Accidental roaming might occur if you are in an area close to national borders because your Equipment picks up a network across the border. If this happens, you may be charged as though you were roaming on an international network. You can prevent this if you are near a national border by setting your Mobile Phone or other Equipment (as applicable) to do a manual network selection and select the 'O2' Network. For more information about using our Service abroad, please visit your nearest O2 store or