This is the heart of the operation. We'll use a script or tool to modify the vbmeta.img file to disable verification.
: It’s a "two birds, one stone" approach that handles root and verity in one flashable .tar file. 2. Using a Pre-Patched "Disabler" VBMeta vbmeta samsung a12 best
Download the exact stock firmware matching your phone's current build number. This is the heart of the operation
Method 2: Blank VBMeta Flashing (Best for TWRP Installation) vbmeta samsung a12 best
The consensus among developers on XDA Forums is that the is the one you patch yourself from your own stock firmware. But if you cannot, the pre-patched versions from trusted sources are the next best thing.