To add the exact location details (geotagging) to your pictures captured with OnePlus 6, follow these steps:
1. Open the camera app on your OnePlus 6.
2. Go to the camera settings. Look for the location settings or geotagging option.
3. Ensure that the geotagging option is enabled.
4. Once enabled, the camera will automatically embed the GPS coordinates of your location into the metadata of the captured photos.
By enabling geotagging in the camera settings, your OnePlus 6 will add the exact location details to your pictures automatically.