If you want to know how to download facebook reelswith music on your android device, then follow these steps:-
Go to the reels section of your facebook.
Choose the desired reel that you want to download.
Click on the ellipsis button on the bottom right corner.
Then copy the link and visit any facebook video downloader website of your choice.
Now paste the link on the search bar of the video downloader.
At last, tap on the download button and remember to download the video in HD quality.