Samsung Tool | 19.1

Using third-party low-level tools trips Samsung eFuse (Knox Counter) . Once tripped:

If you are working on a Galaxy S21, S22, S23, S24, or a 2024/2025 A-series phone, do not use Samsung Tool 19.1. Instead, consider: samsung tool 19.1

For IMEI repairs on modern phones, no free tools exist. You will need paid solutions like Octoplus Box or Z3X Samsung Tool Pro (latest version). Using third-party low-level tools trips Samsung eFuse (Knox

Samsung Tool PRO v19.1 is a legacy version of a specialized mobile software utility developed by the Z3X Team. It is designed for servicing, unlocking, and repairing Samsung Galaxy Android devices. This specific build (v19.1) represents a snapshot of the software from approximately 2017. It is primarily used by mobile technicians to perform maintenance tasks that standard software (like Samsung Smart Switch) cannot perform, such as removing Factory Reset Protection (FRP), unlocking carrier networks, and repairing IMEI numbers. For IMEI repairs on modern phones, no free tools exist