Zte Optus X Start 4 User Manual page 34

and switch to the other call that has been put on hold.
 Touch
to end the current call.
WARNING!
Because of higher volume levels, do not place the phone
near your ear during speakerphone use.
Call Settings
Call settings let you set fast dial, voicemail, call forwarding,
and other settings.
1. From the home screen touch
2. Touch next to Search contacts and places.
3. Touch Settings.
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