For the keyboard input on the Huawei smartphone, a sound can be (de-) activated, which provides you with acoustic feedback for each letter. You can choose between "Standard", "Melody", or "None" for the keypad tones.

Android 10 | EMUI 10.0
Step 1:  Open the  settings
Step 2:  Tap on  Sounds & vibration
Step 3:  Tap on  More sound settings
Step 4:  Tap on  Keypad tones
Step 5:  Choose between  None ,  Default  or  Melody
  1. Open the settings
  2. Tap on Sounds & vibration
  3. Tap on More sound settings
  4. Tap on Keypad tones
  5. Choose between None, Default or Melody

Huawei Instructions