This is how you can install OTA updates without losing Magisk root:
Just follow the steps here:
If that doesn't work, try reflashing the stock image from fastboot with:
fastboot flash boot boot...
Update: It seems like you can actually unlock your device's bootloader with the normal unlock method that works on almost all devices. The following code is the fastboot command:
fastboot oem unlock
but be warned that unlocking Nokia 3.2's bootloa...
what are this? ready to flasg without magisk?
These are stock boot images and patched boot images (patched using Magisk) that can temporarily boot your Nokia 3.2 into rooted state without having to modify the stock boot image itself....
Note that as of 10.0.15.0 and Magisk 20, I cannot get TWRP and Magisk into the same boot.img without breaking TWRP :(
Probably it's Magisk 20 rather than 10.0.15.0 that broke this and I just didn't check when I upgraded a few weeks ago.
Front cam HDR+ doesn't work for me on v10.0.15.0 :(
Here is a working one for 10.0.15.0: https://f.celsoazevedo.com/file/cfiles/gcm1/GCam_v7.0.009-v4.4.apk
Thanks to Urnyx05!