1. Download Gree Smart Air Conditioning APP: Search for "Gree Smart Air Conditioning" APP in the mobile app store, download and install it.

2. Turn on the air conditioner wifi function: Press the "wifi" key on the air conditioner remote control to enter the wifi setting mode.

3. Connect the air-conditioning wifi: the mobile phone opens the WLAN and connects the air-conditioning wifi hotspot.

4. Open the APP: Open the "Gree Smart Air Conditioning" APP and log in to the account.

5. Add air conditioning equipment: Click "Add Equipment" in the APP, select the type and model of air conditioner, and follow the prompts to add air conditioner to the APP.

6. Control the air conditioner: You can control the air conditioner in the APP, including functions such as switch, temperature adjustment, mode selection, time on-off and so on.

It should be noted that the following conditions need to be met when using the air conditioner wifi function:

1. The air conditioner must support the wifi function.

2. The mobile phone and air conditioner must be in the same LAN to connect successfully.

3. The wifi connection between mobile phone and air conditioner must be stable to ensure normal use.

4. When using the air conditioner wifi function, you need to pay attention to network security issues to prevent personal information from leaking.

If you can't successfully use the air-conditioning wifi function, you can check the air-conditioning manual or contact after-sales customer service for consultation.