Information(about issues)

Announcement

• [2025/07/29] Grand Sumo App [ver 2.4.2]release
• [2025/07/18] Grand Sumo App [ver 2.4.0]release
• [2025/06/23] Grand Sumo App [ver 2.3.0]release
• [2025/06/16] Grand Sumo App [ver 2.2.0]release
• [2025/06/10] Important notice for customers using Android OS less than 6.0
• [2025/04/24] Grand Sumo App [ver 2.1.0]release

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Announcement

• [2025/03/13] Grand Sumo App [ver 2.0.8]release
• [2025/02/25] Grand Sumo App [ver 2.0.5]release
• [2025/02/12] Grand Sumo App [ver 2.0.4]release
• [2025/01/16] Grand Sumo App [ver 2.0.3]release
• [2024/12/09] Grand Sumo App [ver 2.0.2]release
• [2024/10/01] 10/13～10/14、10/21～10/22 Maintenance of "Information (Help) and Inquiries"

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