Docomo [Japan] 4G 5/10-Day 5GB/10GB Unlimited Data SIM Card

- Region: Japan 4G
- Network Provider: NTT DOCOMO
- Validity Period: Valid for 5 days/10 days starting from the date of card insertion.
- 1 day of validity is calculated as a 24-hour period.
- Must enable "Data Roaming" in phone settings to activate the SIM card.
- Fair Usage Policy: Once data usage reaches the 5GB/10GB "Fair Usage Data Limit," customers can still use mobile data services, but data transmission speed will be throttled and restricted (up to 512kbps), and tethering or peer-to-peer file sharing will not be permitted.
- Important Notes:
Activation Suspension Period
IIJ Weekly Maintenance:
Tuesday 22:00 to Wednesday 09:00 (Japan Time)
- SIM cards already activated are not affected.
- Supports activation in Hong Kong (if arriving in Japan during the above time, please activate in Hong Kong before departure).
- Check data usage: https://www.simworld.net/account/main/tc/iusage

- This card provides mobile data services only and does not include voice call minutes.
- Supports mobile hotspot data sharing; data sharing is not available after speed throttling.
- Supports services such as Facebook, WeChat, WhatsApp, and Google.
- Supports WhatsApp calls and WeChat calls.
- This SIM card cannot be topped up.
- This card does not require real-name registration.
- Supports Wi-Fi data sharing or use in a mobile Wi-Fi device.