Tool 191: Samsung

: Ensure the paper guides in the tray are snugly against the stack. Clean the Roller

Samsung Tool 191 is not an official Samsung product. It is reverse-engineered software. Using it may void warranties or violate terms of service. samsung tool 191

You downloaded a version that expects a physical USB dongle. Find a pre-cracked version labeled “Samsung Tool 191 Loader” or “Patched”. : Ensure the paper guides in the tray

On older Samsung models (Galaxy S5, S6, Note 4, etc.), the tool can erase gesture/password locks without wiping user data—a feature missing from official firmware flashes. Using it may void warranties or violate terms of service

The Samsung Tool 191, also known as the Samsung USB Tool or simply SST (Samsung Smart Switch Tool), is a software application developed by Samsung Electronics. Its primary function is to provide a user-friendly interface for flashing, unlocking, and managing Samsung mobile devices. This tool supports a wide range of Samsung devices, including smartphones, tablets, and wearables.