Cause: Wrong USB mode on the phone. Fix: On your Samsung feature phone, go to Settings > Phone Settings > PC Connections. Select “Samsung Kies” (do not select “Media Player” or “Mass Storage”).
One critical warning before you proceed: Do not download Samsung Kies v.1.5.1 from random file-hosting websites. Many outdated download portals bundle malware, adware, or outdated drivers that can corrupt your device’s connection. samsung kies v.1.5.1 download
Common issues from bad downloads include: Cause : Wrong USB mode on the phone
Always ensure that the source of your Samsung Kies v.1.5.1 download is either the official Samsung support archive or a highly reputable, moderated mirror. (Note: Samsung’s main website now redirects to “Samsung Switch,” which does not support v.1.5.1 devices). Always ensure that the source of your Samsung Kies v
Kies 2.0 introduced a new UI and Android ICS (4.0) support but dropped support for many 2009-2010 feature phones. Stick with v.1.5.1 for true vintage devices.