Daily usage of cellular data is not updating since 30 May 2021… please help me by fixing this issue…… Hope you will help me soon…

Hello Tanveer_Bhullar97,

Thanks for reaching out to the Apple Support Communities! We understand you are experiencing some issues with your cellular data usage updating on your iPhone. We are happy to help provide some guidance.

To start, are you still able to use cellular data on your iPhone, or are you experiencing any issues when trying to use data while connected to your cellular data network? You can try checking to see if there are any cellular carrier updates available when going to Settings > General > About. Have you had a chance to contact your cellular provider to see if they have any more updated records of your data usage on their end?

Keep us updated on how it goes. We hope this information helps.

Best Regards.

Thanks for keeping us updated! Have you tried checking if there are any cellular carrier updates available when going to Settings > General > About?

Have you had a chance to contact your cellular provider to see if they have any more updated records of your data usage on their end?

If not, we would recommend checking and reaching out to your cellular provider to see if they are able to push the updated information to your device, as this is information reported by your cellular provider.

Cheers.