Modern software often drops support for hardware that is considered "End of Life" (EOL). Devices such as the Galaxy S3, S4, Note 2, and older feature phones may communicate better with older protocols.
Occasionally, a new software update introduces bugs or removes a specific exploit that was patched by Samsung. An older, "tried and true" version may still contain a particular unlock method or FRP bypass that was later closed by both Samsung and Octoplus. octoplus samsung tool old version
: If the software doesn't see the phone, check the Device Manager to ensure "Samsung Mobile USB Serial Port" is visible and not showing an error. Modern software often drops support for hardware that
Older releases, such as v2.0.2 , introduced world-first "Direct Unlock" capabilities that did not require an active internet connection or server credits for specific legacy S6 series models. An older, "tried and true" version may still