Help and Support



How TU Go works

TU Go is a free app that lets you use your O2 number on smartphones, tablets and laptops.

It's just like using your phone. Sign in to TU Go using a wifi connection to get your calls, texts and voicemail on up to 10 devices. The person you're talking to doesn't even need to have the app.

TU Go now also lets you use the app over any mobile data (3G / 4G) connection – so you can now use TU Go for calls, texts and voicemails whenever you have mobile data available. If you want to use mobile data for TU Go calls, you can switch this on in Settings.

TU Go for web supports inbound and outbound calling as well as texts and voicemail. So you can make and receive calls, to and from regular phones from the web, without having to install any additional software or plug-ins. You just need a device that can load a compatible web browser. This means it can be used on PCs, Macs,and even Linux machines.

Getting TU Go

TU Go is available on:

  • iPhone, iPad and iPod Touch (with iOS5.0 or higher)
  • Android phones and tablets (with Android 2.3 and later)
  • Windows phones (with Windows Phone 8.0 or above)
  • PCs (with Windows 7, 8 and 8.1)
  • Web browsers using the latest versions of Chrome and Firefox

Download the app from:

Download the app onto your phone, tablet or laptop and register with your Pay Monthly number. It doesn't have to be installed on your phone for you to receive calls.

You can download the app as many times as you like, but you can only be logged in on a maximum of 10 devices at one time.

If you are using the Tu Go app on an iPhone running iOS 10 there are some new helpful features.

  • Incoming Tu Go calls ring just like any other call and answering TU Go calls now works the same way as answering any other call (no swiping left, no unlocking first)
  • Do not disturb and contact blocking
  • Make a TU Go call straight from your contacts
  • Recent calls list now displays TU Go calls.

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