O2

Personalise your Pay Monthly tariff from just £7.34 a month with our range of Unlimited Bolt Ons. Choose from either web time or Wi-Fi to really make the most of the way you use your mobile. What's more, if you're on a tariff with 600 minutes or more, you can choose a free Bolt On as a treat from us (excludes 12 month tariffs and iPhone tariffs).

Bolt Ons available to buy from £7.34 a month

• Unlimited Wi-Fi - Unlimited access to over 5,000 Wi-Fi hotspots in the UK
• Unlimited web - all the browsing you can handle on your mobile
• O2 Your Family Bolt On – unlimited calls, texts and picture messages between five O2 people
• O2 Your Extended Family Bolt On – unlimited calls, texts and picture messages between ten O2 people

Bolt Ons available for free on tariffs with 600 minutes or more

• Unlimited Wi-Fi - Unlimited access to over 5,000 Wi-Fi hotspots in the UK
• Unlimited web - All the browsing you can handle on your mobile
• Unlimited texts - Text anytime to any network
• Unlimited O2 to O2 calls - Make as many calls as you like to other O2 mobiles
• Unlimited weekend calls - As many calls as you like to any UK network from 12:01am on Saturday to 11:59pm on Sunday
• Unlimited landline calls - As many calls as you like to UK landlines
• 200 Anytime minutes - Add another 200 minutes to your tariff, and call any UK network at any time

These Bolt Ons are available to new and upgrading customers who connected to one of our new tariffs from 1 February 2008. If you're an O2 customer, or if you upgraded before this date, and would like to buy a Bolt On, just speak to O2 Customer Services.

Bolt Ons abroad

If you're planning a holiday or travelling overseas on business, try one of our money-saving Data Abroad Bolt Ons.

• Data Abroad 10: £19.58 per month for 10MB of data
• Data Abroad 50: £48.95 per month for 50MB of data

Additional information about our Bolt Ons

• All call allowances exclude calls to 07744, 07755, 08, 09 and premium rate numbers, and apply for use in the UK only
• Any data you download abroad is not included with our unlimited Web Bolt On
• Unlimited Wi-Fi is available at any of the Wi-Fi hotspots from our partners The Cloud and for iPhone customers from BT Openzone
• Excessive usage policy applies

Full terms and conditions apply