MacDroid is a software that allows you to transfer files between an Android device and a Mac. Here's how you can use MacDroid to connect your LG phone to your Mac:

1. Download and install MacDroid on your Mac.

2. Connect your LG phone to your Mac using a USB cable.

3. Open MacDroid on your Mac.

4. In the MacDroid window, select "Android Device" and click "Connect".

5. In the next window, select "LG" as the device manufacturer and click "Connect".

6. Follow the on-screen instructions to enable USB debugging on your LG phone.

7. Once USB debugging is enabled, your LG phone should appear as a connected device in the MacDroid window.

8. You can now use MacDroid to transfer files between your LG phone and your Mac. Simply drag and drop the files you want to transfer between the two devices.

More: https://mac.eltima.com/connecting-lg-mobile-mac.html

Note: Make sure that your LG phone is unlocked and not in sleep mode when you connect it to your Mac. Also, make sure that your LG phone is running Android 4.0 or later.