真心覺得V20音量實在太小了分享一下安裝 V4A & Dolby Atmoshttps://www.theandroidsoul.com/install-viper4android-nougat/完成V4Ahttps://techonation.com/install-dolby-atmos-on-android-without-root/完成Dolby Atmos設定教學https://www.youtube.com/watch?v=d5l7ax9VzNk