O2 confirms technical teams are investigating reports 'of issues when using data'.
The mobile company has received several tweets from users struggling to access data
O2 has apologised to customers affected by an issue with data.
A number of tweets have been sent to the company, which has apologised to those affected.
It says voice calls are working and techincal teams are looking into what the issues are.
You can check for your phones status here: https://status.o2.co.uk/
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Published: by Radio NewsHub