How to turn off the keyboard sound of Lenovo mobile phone z2pro?

Lenovo VIBE Z2 PRO(K920) needs to turn off the key tones (dial key, input key). Please refer to the following operations:

First, turn off the dial key sound.

Click System Settings in the standby interface to find and click the scene mode. In the scene mode interface, click to set according to the currently used scene mode. If the user uses the standard mode, it will be modified in the standard mode. If users use outdoor mode, they need to modify it in outdoor mode. Take the standard as an example to explain, select and click the setting icon on the right side of the standard, and in the standard setting interface, find and uncheck the touch sound effect of the dial keyboard to turn off the key tone.

Second, turn off the key tone of the input method.

1. Click System Settings in the standby interface to find and click the language and input method. Set the key sound effect of Android keyboard: click the setting icon on the right side of Android keyboard, then uncheck the key sound effect to turn off the key sound effect function.

2. Set the key sound effect of Iflytek input method: click the setting icon on the right side of Iflytek input method, click the keyboard setting, then click the press tone, select the key volume, and click OK.