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Quick Tips
- Restart your device if experiencing connectivity issues
- Check for network outages in your area
- Contact customer care for billing or account issues
How to Reach au by KDDI Customer Care
- 1Call the helpline — Dial +81 0077-7-111.
- 2Visit the official website — Go to au.com for online complaint registration, FAQs, and self-service options.
- 3Escalate if unresolved — If your issue is not resolved within the expected timeframe, ask for a complaint reference number and escalate to the grievance redressal cell.
Common au by KDDI Issues
Users commonly contact au by KDDI customer care for these issues:
Network gone completely
Data not working
Can't make calls
Bill payment / top-up failing
Experiencing an issue? Report it on the status page to alert other users.
Related Helplines
Disclaimer: Helpline numbers and contact details are subject to change. Always verify the latest information from the official website.
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