When i import Normal Map it's beacoming flat

When i import Normal Map it’s beacoming flat and i don’t know why ?

Normal Map

Import in unreal engine

Maybe im dumb :frowning: ty for any responds

is the normal map before you import it 8bit or 16bit?
If its 16 bit, convert it to 8 bit before importing.
If its 8 bit, then… I dont know what the issue might be.