It's not favourite , it's like the bigger the gift the more time it takes to pack it

Yes currently it is showing notification so people make the necessary configuration before it launches 5g so they will get it immediately after they launches it

This option is showing because your smartphone is 5g capable it means you can upgrade your network to use 5g service if ever jio uses 5g and this notification shows that jio supports 5g as well as your smartphone so just by configuring some settings ...