How To Check If Your Cell Phone Works In Japan?

Checking band compatibility on iOS & Android
Ensure your phone supports Japan’s network bands by verifying its specifications.
For iOS devices
- Open Settings > General > About.
- Locate the Model Number.
- Visit Apple’s website to check supported LTE bands.
For Android devices
- Go to Settings > About Phone > Software Information.
- Find your Model Number.
- Consult the manufacturer’s website or user manual to confirm supported bands.
Compare your device’s bands with Japan’s main frequencies:
- LTE Bands: 1, 3, 8, 18, 19, 21, 28, 39, 40, 42
If compatibility issues arise, use our Japan Roaming with Qrispy eSIM. Download Qrispy eSIM App now.
Does your device support VoLTE in Japan?
Ensuring VoLTE works during Japan roaming requires your phone to support the necessary 4G LTE and 5G technologies used by Japanese carriers. Most modern smartphones handle VoLTE, but confirming your specific model’s compatibility is essential.
Verifying VoLTE support
- Check phone specifications: Visit your manufacturer’s website or navigate to your phone’s settings to confirm VoLTE support.
- Supported frequency bands: Your device must operate on frequency bands utilised by NTT Docomo, KDDI au, and SoftBank, including bands 1 (2100MHz), 3 (1800MHz), 19 (800MHz), 11 (1500MHz), and 8 (900MHz).
- Carrier compatibility: Ensure the Japanese carrier you choose provides VoLTE services on the frequency bands your phone supports.
By following these steps, you can maintain high-quality voice calls while roaming in Japan.
Using eSIM‑ready phones
Leveraging your eSIM‑ready phone in Japan simplifies connectivity. With Qrispy eSIM, you can manage Japan roaming seamlessly. Start by downloading the Qrispy eSIM App now from the App Store or Google Play, or use our eSIM Web Wallet. Once downloaded, obtain your global eSIM through our app, ensuring you have reliable, pay-as-you-go data without contracts. Activate your eSIM directly within the app, avoiding the need for QR codes. This automatic installation process guarantees a hassle-free setup upon arrival in Japan. Additionally, our eSIM plans offer extensive coverage across Japanese networks, supporting essential frequency bands for uninterrupted service. By choosing Qrispy eSIM, you secure dependable internet access and high-quality voice calls during your stay. Explore our offerings to meet your data needs effectively and enjoy a smooth Japan roaming experience.
Check if your phone supports eSIM
You can use Qrispy eSIM Device Compatibility Tool to check if your Phone support eSIM or not.
To use an eSIM in Japan, your phone must support eSIM technology. Begin by reviewing your device’s specifications on the manufacturer’s website or within the mobile network settings. Look for eSIM-compatible models from manufacturers like Apple, Samsung, and Google. Access your phone’s settings and navigate to the mobile network options to verify if eSIM is listed. Alternatively, utilize online resources such as the Qrispy eSIM App to confirm compatibility.
Our Qrispy eSIM ensures seamless Japan roaming with hassle-free, pay-as-you-go connectivity. Download the Qrispy eSIM App now from the App Store or Google Play. Once downloaded, activate your global eSIM directly through the app for instant connectivity. Enjoy reliable internet access and high-quality voice calls across Japanese networks without the need for physical SIM cards.
How to get an eSIM for Japan from Qrispy eSIM
Obtain your Qrispy eSIM for Japan seamlessly by following these steps. First, download the Qrispy eSIM App now from the App Store or Google Play, or use our web wallet at Qrispy eSIM Web Wallet. Next, acquire your global eSIM through the app, selecting a pay-as-you-go plan that suits your data needs without contracts or expiry. Finally, activate your eSIM directly within the app—no QR code required—by following the simple, automated installation process. Our eSIM ensures reliable internet access and efficient Japan roaming, providing you with dependable connectivity for navigation, communication, and entertainment throughout your trip.