The best volume control panel for edge screen. Please read description carefully and if you have any problem please take a picture of your problem and send to us. We will try to fix it as soon as possible. Supported devices: all of devices have Edge Screen such as Note 9, S9, S9+, Note 8, S8, S8+, Note FE, Note 7, S7 Edge, S6 Edge, S6 Edge Plus.