Look for a trusted Android development repository (such as the official XDA Developers forums or GitHub) to download the authentic file.
A: According to XDA user requests, version 6.1 included updated binary tools and better support for newer Samsung bootloaders. Many S7/S8 users reported that 6.0 failed on the ESG5 bootloader, while 6.1 succeeded. no-verity-opt-encrypt-6.1.zip download