@srinu
You've not given us much to go on, but check some things.
1 - do you have mobile data turned on in phone settings?
2 - do you have any data left this month? Check in your MyO2.
3 - check for network issues here O2 Service Status
4 - review this guide Guide: How can I sort out my network issues?
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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