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Your iOS or Android device needs to support the Bluetooth Low
Energy 4.0 feature (or higher).
2. Open the WIDI app and the WIDI Core name will appear in the device
list. Click the name of the device to enter the firmware upgrade page.
Then tap [Start] and [Upgrade], and the app will perform a firmware
update (during the upgrade process, please keep your screen on until
the update is completed).
3. After the upgrade is complete, exit the WIDI App and restart H4MIDI
WC
BLE MIDI CONNECTION
(OPTIONA L WID I CO RE EX PA NS ION MODULE INS TA LL ED)
Note: All WIDI products use the same Bluetooth connection method.
Therefore, the following video instructions use WIDI Master as an example.
⚫ Establish a Bluetooth MIDI connection between two H4MIDI WC
interfaces with WIDI Core installed
Video instruction: https://youtu.be/BhIx2vabt7c