Problems & Fix
Can't connect with Bluetooth
Tap "DEL_ID0" for bluetooth devices 1.
Remove Designer Keyboard from your Mac/iPhone.
If it still doesn't working, tap "DELBNDS" for delete all Bluetooth devices, and try to connect again.
Keyboard connected with bluetooth device, but can't typing
Tap "BLE_SEL" and try again.
Can't connect the first bluetooth device for ADV_ID2
Try to add the device one by one from ADV_ID0, ADV_ID1, ADV_ID2 and so on.
Right Keyboard is not working
Check the battery and turn on right keyboard.
Place left and right keyboard together.
Restart left keyboard
Right keyboard will connect to left keyboard automatically.
If still not works, flash the right keyboard, and try again from step 1.
After flash on DFU mode, it shows error (code -43)
Turn on the DFU mode and try to flash again.
Sometimes, it may shows error 3 times continuously.
Or check the coding and bulid a new UF2 file from qmk frimware, and flash again.
How to trun off DFU mode?
It will turn off 2-3 mins automatically.
Restart the keyboard.
Can't typing and can't turn on DFU mode
Try to press DFU button 2 times.
If it still doesn't working, please contact us.