We have released system updater that provides iOS13/iPadOS13 support
for the BLE-MIDI (Bluetooth LE) connection functionality of KORG controller products.
A firmware update is required if any of the following occur.
・Cannot connect to an iOS13 device
・Cannot play, even after successfully connecting to an iOS13 device
・ Connection to an iOS13 device is immediately cut off
Please see more information：https://www.korg.com/us/news/2019/112903/
Thank you for your continued use of KORG controller products.