Update Firmware on Samsung Galaxy S10e (beyond0lte)
Download latest Firmware for SM-G970F
No firmware available
Installing with Heimdall
Extract %fwname% and run
in the directory you extracted it to.
Installing with Odin
Flash %fwname% in BL slot.
It is recommended that you reflash latest LineageOS after updating firmware, otherwise you may run into issues and in worst case your device will not boot anymore.