HTC One camera button mod volume By default whenever you are logged in to facebook, the HTC Gallery app would download all the profile pictures of your friends and show it in the main window of your gallery. Thus cluttering the main window of your gallery with pictures that you don’t even own.  This is an annoying problem with HTC Sense and doesn’t exist in pure AOSP roms. XDA-Forum Member Riyal thought that was a bit cumbersome, and decided to make a mod to fix this problem. Visit here to download the Mod and also get more info.  You can even revert back to stock odexed gallery if this mod fails for you.