Why can't I adjust the volume to the maximum level? Category : Setup / Operation If the volume level still remains the same or a warning message pops up after you press the " " button to adjust the volume, please ensure that the [Volume limit] setting is disabled. Route: SETTINGS > Volume Limit > off Is the answer helpful? Related The FM function of my MP3 Player doesn't work properly as it can only detect one or two channels. How can I improve its reception? Why are the files in my MP3 not organized in alphabetical order? Can I charge my MP3 with a transformer? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started