There’s sometimes a bit of confusion about this, because /e/ version numbers don’t correlate to Android versions.
The same /e/ version on a Fairphone 3 can currently be based on Android 9 or on Android 10.
In case you changed the module to the improved module version …
- The new camera modules need Android 10.
- Does Settings - About phone - Android version give you Android 9 or 10?
- In case of Android 9, you would need to upgrade manually (currently) … Android Q upgrade for FP3.
In case of just a swap of the old module version and in case of Android 10, please check that the camera connector connects properly … Be careful with the connectors when replacing a module - #18 by urs_lesse.