Where does the updater app store the downloaded zip?

We will show you from here you can find the Lineageos OTA updated zip file through file manager.Here is the location of the downloaded zip file.

Location of downloaded OTA zip of lineageos ?

/data/data/org.lineageos.updater/app_updates/

See also:  Difference Between Experimental And Nightly Lineage Os Rom

by navigating to this location you can get the downloaded update zip file.