I could not use mobile data under 4G. Mobile data was turned on. why?
Welcome to the community.
Just a few questions so that I can help further:
Are you able to use your 4G now?
Are you roaming abroad or are you in the UK at the moment?
Do you have an active data allowance? You can check on your My EE account.
One of these options may help you find the answers you need.
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