Announcement
PREPAID
- 【Japan Prepaid SIM】KDDI 5G MAX Unlimited Setup Guide
- 1. I have already received my SIM card. How to set it up?
- 2. The initial settings has been completed but the Internet is still not connected. How to fix this problem?
- 3. I set the SIM card activation date, but I would like to activate it as soon as possible...
- 4. How to participate in the review campaign?
- 5. Where can I check my Internet usage?