How to enable Double tab screen of vivo y91 !! any vivo setting

How to enabled Double screen of in vivo y91 !! any vivo settings

in this video I will show you how you can enable the double tab screen of /on setting of vivo phone.Double tab screen of on is a funcation where the phone light will be turned
on and of bay double tapping on the phone screen.

#Doubles_tab setting
#enable_double _tab _screen
#vivo y91
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