odin55Odin is the official Samsung firmware flash software for Windows PC. Odin download is the first thing to do if you want to install stock .tar.md5 firmware or TWRPUsage : odin4 [args...] Odin4 downloader. odin4 version 1.2.1-dc05e3ea -v SHOW VERSION -w Show License -b Add Bootloader file -a Add AP image file -c Add CP image file