Please use this service for Newer models such as Note 3 & Galaxy S5 models "not found" via other Samsung USA tools.
Support inludes these models:

Galaxy S4 Active (SEG-I537)
Galaxy Camera (EK-GC100)
Galaxy S3 Mini (SM-G730A)
Galaxy S3 Note (SM-N900T)
Galaxy Tab 3 (8”) 4G (SM-T311/T315)

Service usually returns within Instant-90 minutes but please alow up to 3 hrs.

Note:

Please make sure your phone is from Samsung USA. If your phone is from Canada or a different country, please try the "Samsung Worldwide NEW database"