Samsung Galaxy S5 Mini (SM-G800F)

Rooting

cp Magisk-v30.4.apk Magisk-v30.4.zip
adb push Magisk-v30.4.zip /storage/self/primary/Download/

Power off the phone
Reboot to stock recovery by pressing home+power+volume_down
Confirm by pressing volume_up
flask TWRP using heimdall: sudo heimdall flash --RECOVERY twrp-3.6.0_9-0-kminilte.img --no-reboot
Wait for the flashing process to complete
Cut power by removing the usb cable and the battery
Reinsert battery and press home+power+volume_up
Flash the Magisk zip from the Downloads folder an reboot
Install the Magisk app: adb install Magisk-v30.4.apk

Dial *#0808# and select an entry containing RNDIS.
Now you can run:

# for enabling
adb shell su -c 'service call connectivity 41 i32 1'
# for disabling
adb shell su -c 'service call connectivity 41 i32 0'