All Mobile Unlock Repair 👨🔧 Mobile phone repair technicians run tests to assess the mobile phones' functionality, install and update phone software, troubleshoot wiring problems, adnd replace damaged parts and components such as batteries, LCD screens, keypads, buttons
If it didn't work, try this: Go to settings then sound and vibration then go to separate app sound, turn it on and then choose RU-vid or Facebook(you can choose which app).