How to turn off the typing sound of my mobile phone?

1. Open the setup software that comes with the mobile phone system.

2. Slide down the reopened main interface of installing software, find the icon of more options for installation, and click Open.

3. Click Options to open the input method in the More Settings interface.

4. In the pop-up window for setting input method, click the input method attached to this machine.

5. In the input method settings you jump to, just turn off the sliding on the right side of the key tone and key vibration in the basic settings.