Settings to change in a Galaxy S10 for stock Android?

Using /e/OS Settings
2

Hi,
When you will have fixed your s9 problem,

Reboot to recovery mode (TWRP),
choose WIPE in the main menu,
SWIPE to factory reset
Tap back to the main menu
Choose REBOOT to RECOVERY
when rebooted, choose REBOOT SYSTEM.

you will could install /e/ on the s10

.