Thank you for your continuous supports to Nippon SIM.
In order to enhance our service to all Nippon SIM’s customers, a maintenance service will be performed. Please find related information as below.
1. Maintenance Time
Start: September 26, 2025 22:00
Finish: September 27, 2025 06:00
2. Applicable Products
Below Part numbers of Nippon SIM for Japan will be impacted
DHA‑SIM-054／-096／-097／-98／-099／-100／-101／-132／-133／-135／-158／-163／-164／-165／-176／-177／-186／-187／-290／-291／-292／-295／-296／-297／-298／-300／-301／-302／-303／-320／-321／-322／-323／-324／-362／-363／-364／-365／-366／-367／-368／-369
3. Service Contents
System maintenance service
4. Impact on Service
We foresee connection may be slow down temporary between 22:00 and 06:00. For already connected devices, connection will continue. For new activation, you may need to try several times in order to connect to the system.
5. Memo
If you encounter slow connections after the maintenance time, please power off and on your device to reconnect to the service.
We apologize for any inconvenience caused to our customers and sincerely appreciate your understanding and cooperation.
