There are several ways to silence the ringer before answering a call.
Method 1: Press the 「Volume Down」 or 「Volume Up」 or 「Power」 button to silence the ring.
Method 2: Enter 「Phone」 app and press the menu key in the top right corner of the screen. Then go to 「Settings」 -> 「Sounds and vibration」 -> activate 「Silent mode」.
Method 3: Go to menu -> 「Settings」 -> 「Sound & vibration」-> activate 「Silent mode」.
Method 4: Drag the Status Bar down with your finger and then touch the 「Media」 icon to change to 「Vibrate」 or 「Mute」.
Method 5: Enter the 「Phone」 app and press the menu key in the top right corner of the screen. Then go to 「Settings」 ->「Flip to Slience」->activate 「Flip to slience」, flip the device to mute the sounds from incoming calls.
Note: Press the 「power」 key and 「volume up」 key at the same time to switch to vibration mode quickly.
