# How to Install display, battery and Test the Wireless Corne Keyboard

This guide is applicable to the **Corne Wireless** keyboards (MX / Choc / KS-33), as well as the latest version of pre-soldered **Chocofi Wireless** keyboard.

* Pre-soldered Wireless Corne Keyboard: <https://s.beekeeb.com/wcrmx>
* Recommended battery with JST connector (401230):&#x20;
  * US: <https://www.adafruit.com/product/1570>
  * Australia: <https://ecocell.com.au/product/lipo-130-401230/>
  * Germany: <https://www.berrybase.de/lp-401230-lithium-polymer-lipo-akku-3-7v-100mah-mit-2-pin-jst-stecker>

**Full Video Guide**

{% embed url="<https://www.youtube.com/watch?v=odSRhfHSCSw>" %}

### **Step 1: Getting the displays**

Place the anti-static box on a flat surface with the black side facing down and the clear side facing up. Carefully open the box.

<figure><img src="/files/f47reJvclALhG02uHlJW" alt=""><figcaption></figcaption></figure>

### Step 2: Installing the displays to the PCB

Gently insert the display into the display sockets of the PCB.

<figure><img src="/files/pREtBe7uYsNd2IlPfmIQ" alt=""><figcaption></figcaption></figure>

### Step 3: Testing display

Test the display by connecting it (left and right separately) to the computer before inserting batteries.

<figure><img src="/files/xM7hYxtgEBh8zwXp7Qc1" alt=""><figcaption></figcaption></figure>

### Step 4: Inserting the battery to the JST socket

Place the battery underneath the controller and connect the battery connectors to the sockets, ensuring the correct polarity. **Align the red wire with the Red+ silk screen.**

<figure><img src="/files/XBmFFsSlBMcWoreZGwaf" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/HyEXvgRiNcZ0dRutqqZy" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/1Z9oOZ9Ds9JBj5KhvvXY" alt=""><figcaption></figcaption></figure>

### Troubleshooting 1: My nice!view doesn't display any graphics after flashing a custom firmware.&#x20;

To resolve the issue of the nice!view not displaying graphics after flashing a custom firmware, you will need to enable the `nice_view` and `nice_view_adapter` features in your custom ZMK firmware.

Example: <https://github.com/beekeeb/zmk-config-corne-chocofi-with-niceview/blob/main/build.yaml>

```yaml
include:
  - board: nice_nano_v2
    shield: corne_left nice_view_adapter nice_view
  - board: nice_nano_v2
    shield: corne_right nice_view_adapter nice_view 
```

### The firmware pre-flashed in the pre-soldered wireless keyboard

The pre-soldered wireless Chocofi or Corne 36-key keyboard with nice!view is pre-flashed with miryoku ZMK firmware. (Ref / Keymap: <https://github.com/manna-harbour/miryoku_zmk>)

The pre-compiled firmware:

{% file src="/files/WiWmKGlB5AQMaG7a3GF6" %}

{% file src="/files/q2P2K9OW4SkuvhyjtHPW" %}


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