Method 2: samsung kies. this is another popular method to update samsung galaxy s4. samsung kies is a pc software that lets you manage your phone through your pc. you can backup contacts, transfer files and update the phone using this app.. Update and upgrade samsung galaxy s4 update samsung galaxy s4 software directly vs update samsung galaxy s4 using samsung kies . edited by leomar umpad, lynn, eng, alma and 13 others. The best way to upgrade samsung galaxy s4 firmware is using ota method.but that’s not the only way to do so. you can use samsung kies to upgrade galaxy s4 firmware as well..