Is there any way to encrypt the SD card on Nokia 6.1?
I didn't find any option to do it. (The current Android version is Android One 8.1.0)
Product page: Nokia 6.1
There is no way of doing it with native settings. Alternatives below :
From Android 6.0 onwards we have adoptable-storage wherein the entire memory (phone + ext SD) is treated as one memory unit and is encrypted. It is highly recommended to read the tag wiki and understand pros and cons before doing this (IMHO, it's a rotten idea but that's me)
Browse through the tools available for file / folder / media encryption from Izzy's app repository and pick your choice