• Camera

    16 megapixel camera

  • Talk Time

    up to 21 hours

  • Weight

    Weighs 158g

  • Screen size

    5.5 inch screen

'Camera is amazing, both front and back, sound easy to manage and screen resolution beautiful.' - Majojo77 (Oct 2017)

No longer available

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Existing Customers

Existing Customers

Apple Watch is available to O2 Pay Monthly customers with an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6).

New Customers

New Customers

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.


  • Speedy processor and all the memory you need

  • Dash Charge gives you a day's power in half an hour

  • 16MP front and rear cameras

  • Design taken to a new level

  • See features

    Experience the latest tech

    The OnePlus 3T features up to the minute tech, so you never have to settle for less. The Qualcomm Snapdragon™ 821 runs your apps and games effortlessly, and the 6GB RAM means you can multitask without being slowed down. Need plenty of space for your apps and snaps? You can choose either 64GB or 128GB internal storage, so you'll always have as much as you need. And if you're a movie addict, you'll love watching your favourite films on the Optic AMOLED, full HD screen.

    Power up in half an hour

    With the OnePlus 3T you can get over 60% charge in just half an hour. That's enough for over seven hours of HD video. And the new 3400 mAh battery has 13% more capacity than the OnePlus 3. So you can do more with your phone, for longer. And the adapter even helps your phone stay cool while you're charging it, to keep you safe.

    Capture your memories

    Take the perfect snap, with intelligent software and a 16 megapixel rear camera. Coupled with the new 16 megapixel front camera, you can get a great shot from any angle. Use the improved stabilisation settings to say goodbye to blurry photos and videos. Plus with autofocus and a speedy shutter, you'll be taking pictures like a pro.

    Enjoy the sleek design

    With its new gunmetal colour, the OnePlus 3T is the best looking one yet. It's designed to give the best user experience, with one of the fastest fingerprint sensor and the latest hardware upgrades. So you'll never want to let it out of your hand. And it's made with premium aluminium alloy, so it's resilient enough to survive even the toughest days.

    Customise your phone

    The OnePlus 3T runs OxygenOS, an impressive and refined operating system based on Android. It's easy to customise everything, from colours to battery features. To get organised, you can just swipe right from the home screen to view Shelf, a unique way to interact with your favourite content. You can let it arrange your apps and widgets for you, or pick what you want to see.


Custom plans

RPI: Each year your Airtime Plan will be adjusted by the Retail Price Index (RPI) rate of inflation. Find out more at o2.co.uk/prices.

Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). The cost of your Device will be the same however long you choose. A minimum upfront cost may apply. You need a monthly rolling Airtime Plan for the length of your Device Plan. Pay off your Device Plan at any time without charge. You can then keep on your Airtime Plan, upgrade, or leave.

UK calls/texts to standard UK landlines and mobiles and when roaming in our Europe Zone. Fair Usage policy applies. Special and out of bundle numbers chargeable. 4G phone required to access 4G. 4G available in selected areas.

Change your airtime tariff after 30 days and then once every billing month during your minimum contract period, choosing from a selected family of tariffs. Some tariff extras are only available on the starting tariff, are not transferable, and may be lost if you change to an ineligible tariff. Devices are subject to availability.

0% APR. Finance subject to status and credit checks, 18+, Direct Debit. Credit provided by Telefónica UK Ltd, SL1 4DX. Terms apply, see o2.co.uk/terms.


Tech spec

Why O2?

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Stay connected with our award winning network.

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My O2

Manage your account 24/7 with My O2.

Keep an eye on your bills, data usage and more, plus add Bolt Ons when you need them - wherever you are. You can also make payments and top up your credit as well as manage your upgrades.

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*Each year your Airtime Plan will be adjusted on your April bill by the RPI rate of inflation announced in the preceding Feb. See o2.co.uk/prices.