What are you trying to perform? (e.g., carrier unlocking, downgrading, unbricking)
: It helps circumvent "FAIL! Blocked carrier" errors, often seen when trying to move between carrier-branded and unbranded firmware.
If visible, toggle on (Note: Unlocking the bootloader is required if you are flashing custom, rooted, or modified files). Step 2: Boot Into Download Mode Power down your Samsung device completely. Connect your USB cable to the PC, but not to the phone yet.
: Obtain your target stock or custom firmware files. Extract the package until you see individual .tar or .tar.md5 archives. Phase 2: Putting the Device in Download Mode Power off the Samsung device completely. odin3-v3.14.1-3b-patched
Double-check that all files are correctly mapped to their corresponding slots. Click the button at the bottom.
. The process usually takes 5–10 minutes. Once complete, the device will reboot automatically and Odin will display a green 4. Risks and Common Errors Error / Risk Description FAIL! (SHA256) Signature check failed. Ensure you are using the Patched (3B) version of Odin. Brick Risk Flashing incorrect firmware can make the device unbootable.
What is the of your Samsung device (e.g., SM-G991U)? What are you trying to perform
Do check “Phone Bootloader Update” or “Nand Erase” unless specifically instructed.
| Feature | ✅ Safe: Odin3 v3.14.1_3B_PatcheD | ⚠️ Unsafe/Fake: Odin v3.14.4 | | :--- | :--- | :--- | | | Contains only an .exe and an .ini file | Contains a suspicious .dll file (e.g., cpprest141210.dll ) | | File Size | Approximately 1.34 MB - 3 MB | (Often varies) | | Source | Official XDA-Developers thread or verified mirrors | Unknown third-party sites | | Flashing Capability | Bypasses model mismatch, SHA256, and carrier errors | May cause unexplained "FAIL!" errors |
Even with the patched version, you may encounter issues. Here’s how to resolve them. If visible, toggle on (Note: Unlocking the bootloader
Put the Samsung device into Download Mode (usually by holding specific volume/power combinations while plugging into a PC).
For most Samsung modders, odin3-v3.14.1-3b-patched remains the sweet spot between stability and flexibility. Newer builds like v3.14.4 have stronger restrictions, and older builds (v3.12) lack support for newer partition schemes like super and dynamic partitions.
. While not an official Samsung release, it is widely used by the Android modding community for tasks where the standard Odin tool might fail Key Features and Purpose Bypasses Restrictions : Specifically designed to skip SHA256 hash checks
Contains region-specific carrier data and APN settings. HOME_CSC
The patched version does not unlock your bootloader. You must still enable “OEM Unlocking” in Developer Options first. What it does is flash custom content after the bootloader is unlocked.