Easy way to fix dm-verity verification failed/need to check DRK first on Samsung devices

 

New added security to most new Samsung devices often detect and prevents users from making changes (mods/customization) on the operating system. So when the security software sees your changes as risk, the device soft bricks and you will not be able to use it. Now when you turn the phone on, it hangs on the logo and also when you put it in recovery mode, you see the error message dm-verity verification failed.  The following guide below will help you solve this problem on your Samsung device. 

Note Make sure your device has at least 30% battery life Do this at your own risk!!!  

Download the stock firmware of the device you want to fix Download and extract TAR_MD5_PACKAGER from here Download and install Samsung drivers from here Download Odin latest version from here   Extract the files found in the stock firmware.  To do that, rename the extension of the file from .md5 to .tar only (ie delete md5 from the name of the file). Then use either 7zip or WinRAR to extract. Delete cache.img file from the extracted files. Now copy all the extracted file into parts folder inside TAR_MD5_PACKAGER.  Launch TAR.MD5_PACKAGER.bat Press 1 then type the name of the new file you want to create and press Enter key. When a repackaged file is created, launch TAR.MD5_PACKAGER.bat again. Now press 3 followed by 1. This will convert the file from .tar to .tar.md5 Press Y to start the process.  After few seconds, the file is created. You can follow the screenshots below on how to create repackage_rom for Samsung devices.   

 

 You can now use odin to flash the newly packaged firmware created. Hold Home + Volume down + Power button when a message with triangle appears press volume up. Connect device to PC with USB. Launch Odin. Click on AP and select the newly packaged ROM file. Click Start button to begin flashing process. When the process is complete, you will see a Green PASS message and the phone will reboot to normal. Congrats you just successfully dm-verity verification failed on your Samsung device.