Flash firmware with nRF Connect APP

Download nRF connect APP

nRF Connect for Mobile

Download dongle firmware

15KB

kc_recv_app_v3.2.zip

archive

Download Firmware files to your Phone from "nRF firmware download" Tab

Step 1

Turn keyboard off, press and HOLD 4 keys then turn keyboard on.

Ergo

Ergolite

Step 2

Open nRF Connect App, will see KCDFU in the Scanner tab, then connect it.

Step 3

Click "Open Document Picker", select the file you downloaded earlier (Which Keyboard/side you have?) then click "Start".

Step 4

Waiting for the progress bar to reach 100%. Done! Do step 1-4 on the other side.

Step 5 Flash firmware on 2.4g wireless dongle(receiver), press and HOLD the DFU button then plug it. Do step 2,3,4.