#2 – Unfortunately, YouTube has stopped working on vivo Y21T or Y21T (india)
There is nothing or little you can do when your vivo Y21T or Y21T (india) becomes unresponsive due to error which shows a notice that “Unfortunately, YouTube has stopped working” which rarely occurs in vivo devices. You probably won’t be able to run and or use any other application. When you try to launch or use other application in that vivo Y21T or Y21T (india) it will pop up a screen that shows you the errors notice with no other option other than to press OK to dismiss that notice.
Step 1: Reboot your Y21T or Y21T (india) and quickly navigate to.
Step 2: Settings >> Apps >> All Programs >> YouTube
Step 3: Re-Enable the app and that should solve your Y21T or Y21T (india) problem.
Step 4: Or try uninstalling, reinstalling and updating the YouTube application you have installed.
#3 – Wi-Fi connection issue and fixing on vivo Y21T or Y21T (india)
Step 1: Go to your Y21T or Y21T (india) settings and press the connection option.
Step 2: Next, press the Wi-Fi option.
Step 3: Now, your vivo Y21T or Y21T (india) will auto scan for nearby networks to join and will show them on the screen.
Step 4: After the first scan ends, tap for a few seconds on the Wi-Fi you want to connect and press the forget option.
Step 5: Again, tap that same network and input the authentication details and save it. Although, open networks don’t require any password for access.
Step 6: Be sure to confirm that your connection from your network service provider is OK and your router, if that is what you are using, is working perfectly.