How to Run VIVO Y20s in Demo Mode - Activate Dark Mode

Learn more info about VIVO Y20s: https://www.hardreset.info/devices/vivo/vivo-y20s/ If you want to run your VIVO Y20s in Demo Mode, follow our instructions and do it successfully. If you turn on the demo mode, you will be able to check how your device will work at the highest settings. To enable this mode, you need to know how to enter developer options, so if you've never done this before, we'll show you how to do it. Also learn how to disable demo mode on VIVO Y20s. How to Open Demo Mode on VIVO Y20s? How will VIVO Y20s work in demo mode? How to Quit Demo Mode on VIVO Y20s? How to Turn On Demo Mode on VIVO Y20s? How to Turn Off Demo Mode on VIVO Y20s? How to check Demo Mode on VIVO Y20s? How to Use VIVO Y20s on Demo Mode? How to Open Developer Mode on VIVO Y20s? Follow us on Instagram ► https://www.instagram.com/hardreset.info Like us on Facebook ► https://www.facebook.com/hardresetinfo/ Tweet us on Twitter ► https://twitter.com/HardResetI