To transfer music using a USB cable:
1. Connect your LG G2 to your PC using a USB cable.
2. Open the File Explorer window on your PC.
3. Browse to the folder where your music files are stored.
4. Select the music files that you want to transfer to your LG G2.
5. Drag and drop the selected music files into the Phone folder on your LG G2.
To transfer music using a wireless connection:
1. Make sure that your LG G2 and your PC are connected to the same Wi-Fi network.
2. Open the Music app on your LG G2.
3. Tap the Menu button.
4. Tap Settings.
5. Tap Sync with PC.
6. Enter the IP address of your PC in the PC IP Address field.
7. Tap Start Sync.
Your LG G2 will start syncing music files from your PC.