Odin3-v3.13.1-3b-patched
ODIN3 v3.13.1 is a specific legacy release of Samsung’s proprietary flashing utility used to install firmware (ROMs), kernels, and recovery images onto Samsung Galaxy devices. The designation "patched" in this context usually refers to a community modification of the binary that bypasses specific internal checks or "bloat" added by Samsung in official releases.
This version is historically significant because it was one of the final builds that supported the older flashing protocol while introducing support for newer encryption standards required by Android 9 (Pie) and Android 10 (Q), making it a "universal" tool for devices from the Galaxy S7 era through the S20.
This specific version is widely recommended by XDA Developers for the following generations of devices: odin3-v3.13.1-3b-patched
Let us break down the nomenclature first.
In plain English: This is the unofficial, unlocked version of Samsung’s official tool that allows you to flash anything, to any Samsung phone, regardless of security locks. ODIN3 v3
Overall Rating: ⭐⭐⭐⭐☆ (4.5/5)
The “3B” likely refers to a specific internal build or patchset targeting hidden capabilities, possibly: In plain English: This is the unofficial, unlocked
Stock Odin will only flash files signed with an official Samsung SHA256 hash. A custom recovery like TWRP (Team Win Recovery Project) uses a test key. The stock Odin rejects it instantly. The patched version removes this check.