📢 Normal Usage Within Japan: Compatibility Guide for docomo International Roaming VoLTE Calls

As 3G networks have been shut down in Japan and many other countries, you must use a VoLTE-compatible phone model to utilize docomo’s international roaming voice call services.

⚠️ Please note that certain phone models may completely fail to work overseas, or may only be able to receive SMS while being entirely unable to make or receive voice calls.

💡 Reminder: For Android devices, actual compatibility may vary depending on the country of manufacture and regional hardware variations.