Tool: Download [upd] Samfirm A.i.o V3.1

installed and both the PC and phone are on the same Wi-Fi network for FRP bypass functions. Download and Launch : Download the tool from a reputable source like , extract the ZIP, and Run as Administrator Firmware Search Enter your device's (e.g., SM-G991B). Check Update to save the firmware. : Once the firmware is downloaded, use a tool like to flash the BL, AP, CP, and CSC files to your device in Download Mode Safety Note

If you have acquired the tool from a reputable source, follow these steps to utilize it correctly. download samfirm a.i.o v3.1 tool

: Features for entering/exiting Download Mode, factory resetting, and reading detailed device information. How to Use the Tool installed and both the PC and phone are

Ensure your Samsung device is connected via USB and recognized by the PC. If you are flashing firmware, the device typically needs to be in Download Mode (holding Volume Down + Power + Home simultaneously). : Once the firmware is downloaded, use a