FP-40: Can I use Piano Sphere on multiple mobile devices? October 01, 2026 08:13 Updated Follow The FP-40 connects to Piano Sphere on one mobile device at a time. To switch to a different mobile device, reset the FP-40's Wi-Fi settings to their factory defaults, and then set up Wi-Fi again from the new device.For the procedure, refer to "Restoring the Wi-Fi factory settings" in the FP-40 Reference Manual.