To cast your phone screen on your TV you need to have Chromecast.
Follow the steps to successfully cast your screen-
Cast from Chromecast-enabled apps to your TV
Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.
You can now cast videos, movies and TV shows directly to your TV.
To stop casting, tap the Cast button and then Disconnect.
You can also watch this step-by-step guide to do the same
You can check more details here :Nokia 6 details
Yes, having personally used the smartphone for some time, I can confirm that the Nokia 6 does support USB OTG. You can use the Sandisk Ultra dual drive and expand the storage of your smartphone easily. .SanDisk Ultra Dual USB Drive.
I always carry my important files and documents and movies on OTG Pendrive so that I can watch movies and access important documents on the go or while traveling.
Palaniyappan Ramesh kumar
You can follow the following steps:
Add a fingerprint
1. Tap Settings > Security > Fingerprint. Tap Continue to confirm you want to add the
2. Select what backup unlocking method you want to use for the lock screen and follow
the instructions shown on your phone.
3. Follow the instructions shown on your phone