How to Change the Default Logo for R12 (12.1.x) ?

Step – 1: Create custom image gif/jpeg

Step – 2: Copy custom logo abc.gif to $OA_MEDIA

Step – 3: Check & update Profile Option name “FND_CORPORATE_BRANDING_IMAGE” to point to aaa.gif

Step – 4: Backup existing image files under $OA_MEDIA
mv FNDSSCORP.gif FNDSSCORP.gif.old

Step – 5: Replace the default logo with custom image
cd $OA_MEDIA
cp abc.gif FNDSSCORP.gif

Step – 6: Access the login page, you should be able to see the custom image on top left.

After Copy of Custom Logo through Backend

UPDATE FND_PROFILE_OPTION_VALUES set profile_option_value='abc.gif'

where profile_option_id=9532 and level_id=10001;