If you're using a phone, tablet, dongle or Mobile Wi-Fi that's not covered on our Device Support page, don't worry - we may still be able to help you set it up. Remember, your device must be unlocked before you can use it with a Three SIM. Find out more about unlocking your phone.
Problems connecting to the internet.
If you're having trouble connecting to the internet, you might just need to update your phone's settings. How you do this varies from device to device.
If you're using a phone with an Android operating system, choose your manufacturer from the list below to check your internet settings:
If you're using a BlackBerry that you didn't get from us, you can find out about using the internet on your BlackBerry here.
More device support.
If you still can't find what you need, you can find support from your manufacturer here:
Get in touch
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