If you try to downgrade a new Samsung phone to an older firmware using Odin you are gonna get SW REV. CHECK FAIL. Fortunately, there’s a fix for this but it takes a little bit of patience
Ap_<Version>.tar.md5 content in the same place as the required tools.SignRemoverAp_<Version>.tar.md5) and flash normally using OdinIf needed place vb_mate.img in AP slot to disable AVB
– How to Downgrade Android Version in Samsung Devices if Device is in Higher Binery
there is no lz4.exe in the required tool folder
Added
sir,
we have to run lz4.exe and simg2img.exe before run SignRemover.exe, right?
Thanks for your comment. Naa the software will automatically run all those thing. Make sure to have 7-zip installed