Nippon SIM for Japan 公式ホームページ | 日本 全国使える 4G/LTEデータ SIM カード
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NOTIFICATION OF SYSTEM MAINTAINENCE

1. Maintenance Time

 1st: 2025/05/29 22:00 to 2025/05/30 09:00

2. Applicable Products

 Below Part numbers of Nippon SIM for Japan will be impacted

 DHA-SIM-025/-095/-113/-138/-139/-149/-150

3. Reason

 Maintenance service by request of NTT-Docomo

4. Impact on Service

 New activation of SIM card service might not be possible during the maintenance period. Please activate your SIM out of the maintenance period.

5. Memo

 For SIM card already being using, the service will not be impacted.

Before contacting us

Frequently asked questions from customers are posted in the FAQ. Please take a look.

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