The community has spent years perfecting these. Below are the most famous presets available for download on XDA Developers, GitHub, and Telegram groups.
Some older presets require the "XHiFi" version of V4A. If a preset isn't loading, ensure you have the correct V4A build (Normal vs. XHiFi vs. FX). viper4android preset
Note: ViPER4Android requires root access. Rooting your phone voids warranties and carries security risks. Proceed at your own risk. This article is for educational purposes only. The community has spent years perfecting these