# Settings ![App settings](/files/HUz7AC3R5WFDRMLsdeSm) Tap Settings in the left sidebar. Here you can enable or disable the following application settings: ### Notifications and sounds * Mute all notifications: will mute any incoming notifiations * Devices: set up device notifications settings and choose sound for generic and critical alerts * Automations: turn on/off notifications triggered by Automations. You can choose custom sounds * Other ### Interface * Keep screen always on: if you don't exit the app, smartphone screen will not turn off * Don't show offline notifications: * Skip tile view for single device: if you have only one device, device list will be hidden. When app is opened, device dashboard will appear. If you add more than one device, device list (tiles) will be seen automatically ### Security Biometric authentication: enable fingerprint/face authentication if smartphone supports it. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.blynk.io/en/blynk.apps/profile-management/settings.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.