Download [updated] Samfirm 1.4.3

: Many specialized mobile service tools are flagged as "false positives" by antivirus software. You may need to temporarily disable your real-time protection to run the Run as Administrator : Right-click SamFirm.exe and select Run as Administrator

(e.g., SM-G991B for a Galaxy S21). Find this in Settings > About Phone . Download Samfirm 1.4.3

: Simplifies the removal of Factory Reset Protection (FRP) on Samsung and other brands like Xiaomi, Oppo, and Huawei. Firmware Downloading : Many specialized mobile service tools are flagged