How can I switch to mute mode during a call? November 05, 2018 18:42 Updated When in a call press the Left Select Button and select Mute. To Unmute, press the Left Select Button and select Unmute. Related articles Where can I check recent call records? What kinds of inappropriate phone using habit may cause battery potential risk? How can I take a screenshot? How can I change the ringtone of the alarm? How can I make a three-way call? Comments 0 comments Article is closed for comments.