Tianyu t6 19 How to Eliminate the Keystroke of SMS Input by Mobile Phone?

Tianyu T6 19 mobile phone input method comes with Google input method. Turn off the operation mode of key input:

Settings-Language and Keyboard-Google Pinyin Input Method → Key Sound and Key Vibration (Unchecked)

I hope the above reply is helpful to you, and thank you for your support of Tianyu products ~