Backups created in Samsung feature phones are supported by MOBILedit Forensic.
Simply click the Import data button on the lower centre section:
Proceed by selecting the Samsung feature phone option:
Select your desired backup:
Continue with the standard acquisition by clicking Next:
Backup files from Samsung feature phones have to be created in the device itself by using their built-in feature. Newer models support the SmartSwitch backup option, which is also compatible with MOBILedit Forensic.