Audi a6 2013 2.0 177hp 03L 906 018 LA flash

[Blanco]

Hello guys, I have dead ecu from Audi A6 2013 2.0 177hp.
03L 906 018 LA
CGLC
0 281 017 645
I bought and read new ecu
03L 906 018 LB
CGLC
0 281 017 945
Can I Just do immo off and ecu will work or do I have to flash it to my software number.
Can someone do immo off in my file, and if have full read flash for my org ecu can he help me with that.

Thanks in advance!

[Aladinnu]

If they are compatible bosch u can make immo off. If they are different hp u need to make more than eeprom immo off