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Notice List

Posted on title

October 29, 2026

[Important] Report on the results of the investigation into unauthorized access to "Gigako eSIM" (No data leakage) (CosmoNet Co., Ltd.)

October 23, 2026

Maintenance Notice

September 1, 2026

Maintenance Notice

September 1, 2026

Maintenance Notice

August 28, 2026

[Important] Temporary suspension of credit card payments due to system investigation and handling of each plan

August 25, 2026

Maintenance Notice

August 17, 2026

[Important] Notice of Emergency Maintenance

July 30, 2026

Regarding the possibility of personal information leakage due to unauthorized access to our website "Gigako eSIM" and our apology.

May 7, 2026

Maintenance Notice

April 24, 2026

Notice of business closures during Golden Week
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Gigaco eSIM

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Store Information

[Sapporo]

〒060-0807

3-1, Kita 7-jo Nishi 4-chome, Kita-ku, Sapporo, Hokkaido

Shin Hokkaido Building, 11th floor (Cosmonet Co., Ltd.)

Contact us via LINE here

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