Setting for iPhones and iPads
iOS 12.2 or later
1) Before coming to Japan, download b-mobile profile to your device from following button.
* Must download using Safari. If you are opening this page other then safari, please re-open this page with Safari.
1-1. Tap on b-mobile button and select "Allow".

1-2. After the download tap on "Close"

2) After you arrived to Japan, put the SIM inside and install the profile from Settings
2-1. Home → Settings → Tap on "profile downloaded"

2-2. Tap on "Install" and enter your passcode.

2-3. Tap on "Install"on the right top.

2-4. Tap on "Install" again.

2-5. Tap on "Done" to complete the installation.

Before iOS 12.2
After you arrived to Japan, download b-mobile profile to your device from following button.
* Must download using Safari. If you are opening this page other then safari, please re-open this page with Safari.
Restart your device. Once your device is swiched on, you can use the internet service.
Settings > General > Profiles > Remove Profile