about Samsung Galaxy A52 4g (a52q)
it is the same for the U build, it don’t include firmware parts, so
- you first need to update stock firmware without dataloss following LineageOS wiki instructions Update firmware on a52q | LineageOS Wiki using Odin3 windows, Odin4linux or Galaxy-Flasher, the ultimate graphical tool for Samsung devices that can manage Odin4linux.
Then you will be abble to upgrade to /e/OS-U without dataloss following one of the three methods described in post 24 using the build from /e/OS community a52q download