Hiroshima Fukuyama City ​
Population coverage rate 99.97%※1

Notes about coverage area

1. coverage area is based on calculated numerical values and may differ from the actual signal conditions.The coverage area may also be changed without notice.
2. This service is provided on a best-effort basis. Actual communication speed may vary depending on location, communication environment, network congestion, and compatible devices.
3. The available coverage area may be restricted depending on your device and usage environment (e.g., areas where radio waves do not reach, such as indoors, underground, or in tunnels).
4. Roaming connections via the au network are available within the partner line areas. For details, please refer to the KDDI Corporation area map.
   
   • *The list will be updated regularly as changes to the roaming service areas are confirmed.
5. Communications and calls may be cut off or temporarily unavailable near the border between Rakuten coverage areas and partner network areas, when moving between underground and outdoors, or when moving between large commercial buildings and outdoors.
6. Even in high-speed unlimited data areas, communication speed may vary depending on location (e.g., underground, indoors, inside large commercial buildings), product settings, and radio wave conditions.
7. During year-end and New Year holidays, disasters, and events such as fireworks festivals, the line may become congested, making it difficult to connect.
8. The unlimited high-speed data area near the summit of Mt. Fuji is available only during the mountain opening period, from July to late August.
9. Communication is not guaranteed for devices other than those provided by Rakuten Mobile for this service or those that have been tested for operation.
10. Data communication speed and volume may be restricted if traffic exceeds network bandwidth limits or due to settings on your device or application.
11. We may optimize communication to speed up screen display times and video playback start times by compressing or converting screens and videos to sizes suitable for your device's screen.
12. We may implement congestion control measures to avoid the continued occurrence of congestion conditions throughout the service network.
13. Due to the nature of radio waves, the signal quality may vary continuously. Please use the antenna symbol displayed on your mobile phone as a general indicator of signal strength.
14. For emergency calls at sea, please dial 118 from your mobile phone.