Read/unread can be determined by the presence or absence of a tick under the sent message.
Please judge by the following.
・With ✔: read
・Without ✔: unread
The read tick will appear when the recipient opens the message (there may be a slight error due to network issues).
<SkyPhone User Support Summer Holiday Closing>
The SkyPhone User Support will be closed during the following time.
Holiday Closing Time: From Friday, August 8, 2025 To Wednesday, August 20, 2025 (JST)
Unavailable Services: User support services (including our responses to your inquiries)
Please note that you'll be responded on August 21 (JST) or later if you contact us after 1:00 PM on August 7 (JST).
You can continue using SkyPhone as usual while our user support services are unavailable.
Thank you for your understanding and cooperation.
If you need our support, click here to contact us.
Business hours to reply to your message: Monday to Friday 10:00 AM to 5:00 PM (JST), except for national holidays