How to turn on game HIFI: Go to mobile phone settings--Game Box--Game Sound Quality and Sound Effects--HiFi Settings, and then turn on game HIFI for the corresponding software.
Hi-Fi is the abbreviation of High-Fidelity, literally translated as "high fidelity", which means: a playback sound that is highly similar to the original sound, that is, the original sound quality of the lossless sound source is presented as much as possible , to achieve the best fidelity effect.
Note: HiFi can only be used in wired headphone mode.