When you've changed your SIM, your SkyPhone number will not be changed. However, if you reinstall the app or delete the app data and launch the app with the new SIM, your SkyPhone number will be changed.
Note: You cannot switch back to your old SkyPhone number once your SkyPhone number is changed.
<SkyPhone User Support Holiday Closing>
The SkyPhone User Support will be closed during the following time due to Japanese national holidays as Golden Week.
Holiday Closing Time: From Saturday, April 26, 2025 To Tuesday, May 6, 2025 (JST)
Unavailable Services: User support services (including our responses to your inquiries)
Please note that you'll be responded on May 7 (JST) or later if you contact us after 1:00 PM on April 25 (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