Press the "Meniu" key then *.
S8 Style
Press the Power button-> Unlock-> then press *.
Follow the steps: Menu-> Settings-> Reset settings-> Type in the 1234 code-> Confirm reset.
The volume can be adjusted during a call from the up and down arrows.
The volume can be adjusted using the * and # buttons. The volume adjustment works from the Music or Radio app only.
Go to Menu-> Messages-> Messages settings-> Preferred memory-> Choose memory where the messages are saved.
The profiles can be edited by changing the notification type, changing the ringtone, choosing the volume for calls or keyboard. To customize one of the audio profiles, go to Menu-> Profiles-> press options (upper left key) on the profile you wish to edit-> choose Customize-> once you've made the changes click Options again and choose Save.
The notification light for missed calls or messages is displayed by lighting the keyboard for a second, every 10 seconds. To turn the function on, access Menu-> Settings-> Phone settings-> Keyboard notification light-> On.
Go to Menu-> Settings-> Call settings-> SIM call settings-> Call waiting-> Turn on.
Go to Menu-> Settings-> Call settings-> SIM calls settings-> Block calls-> Turn on according to your preferences: Block outgoing calls; Block incoming calls-> Turn on-> Default password 0000.
Go to Menu-> Settings-> Call settings-> SIM call settings-> Forward calls-> Turn on according to yoour preferences: Always forward
Forward when busy
Forward when unanswered
Forward when unreachable
Next, you type in the number you wish to redirect to-> Enable
Access Menu-> Settings-> Security settings-> Emergency rescue-> Select ON->Set contacts-> Options-> Add from contacts or Edit (type in a number that is not in your contacts)-> select Ok-> Save-> Send IMEI status (ON)-> Hands free mode (ON). To send an emergency message you need to press "1" key for 3 seconds.