Install the Xiaomi Home App and log in to your Xiaomi Account.
Please refer to the following steps to connect the Mijia Air Conditioner Eco 4 Stars 9000BTU to the Xiaomi Home App:
1. First, connect your smartphone to your home Wi-Fi network, then open the Xiaomi Home App. Tap the [+] icon at the upper right corner.
2. Enter the [Add device] interface.
3. Tap [Air conditioner].
4. Select the detected air conditioner from the list to proceed to the Wi-Fi setup interface. Continue following the prompts on screen until you see the message displayed "Device added successfully".
Note:
For Android phones, you can add the air conditioner via nearby devices or manual addition. For iPhones, after installing the Xiaomi Home App, tap the [+] icon on the homepage to manually select the device or select the scanned new device to add.