: Restoring a Samsung device that is stuck in a boot loop.
Find your device's exact (e.g., SM-G998B) in Settings > About Phone .
If you are still downloading firmware at 50 KB/s from random forums, stop. Download today and reclaim your bandwidth.
Automatically detects the latest available firmware using the model number and Region/CSC code, or allows manual entry of PDA, CSC, and Phone details. Samfirm Tool V3.3
While Samfirm Tool V3.3 is powerful, other tools are also available for Samsung firmware needs:
The software often requires no installation; it is a portable .exe file that can be run directly.
This article was accurate as of late 2024-2025. For the absolute latest changes to Samsung’s server authentication (OAuth 2.0 updates), refer to the ongoing XDA Developers thread. : Restoring a Samsung device that is stuck in a boot loop
The tool performs a Cyclic Redundancy Check to ensure the downloaded file is not corrupted, preventing potential "bricks" during the flashing process. Common Use Cases Unbricking Devices:
(Required for the tool to run). .NET Framework 3.5 .
Automatically recognizes connected devices when they are in Download Mode or MTP mode. How to Use SamFirm Tool V3.3 (Download Firmware) Download today and reclaim your bandwidth
Press the button on the warning screen to confirm entry into Download Mode. 3. Load Files into Odin Open the Odin tool as an administrator on your PC.
Enables users to change the region code of their device without needing to log in or pay for premium credits.
Click the button. The tool will scan the servers and populate the right-hand panel with file details (Version, Size, and Filename). Ensure the Decrypt automatically checkbox is ticked. Click the Download button.