How to turn on Record calls automatically?
How to find call recording files？
Can I change the storage location of the call recording?
How to enable Call waiting?
How to open dial pad quickly
Can I set a video as the ringtone for incoming calls?
How to disable smart dial?
Is there a time limit for calls or call recordings?
How to enable smart dial?
What is smart dial?
What is flip to mute?
Why does the carrier information not show when I make a phone call?
How to set Speed dial?
What if the missed calls are not displayed?
Why does my signal indicator shift from 4G to H every time I make a phone call?
How to reject the Strange number?
What is call forwarding?
Can I cancel the blur effect of call background?
How to make Video calling on my phone?
How to disable or enable call forwarding?
What if the screen does not light up when I hang up?
What the function of call barring?
Where can I find the phone calls which have been blocked?
Why can I not enable Call barring, Call waiting or Call forwarding?
How to call out the keyboard while talking?
How to make a conference call?
Must I enable the data network before making a call with my phone?
What if the sound is intermittent during a call?
How long will call records be kept?
What if call forwarding is not available?
What is the difference between Dual SIM card Dual Standby Single pass and Dual pass?
Can my phone be set to Dual SIM card Dual Standby Dual pass?
Do vivo phones support Dual SIM card Dual Standby Dual pass?
What if there is a delay when making or receiving a call?
What if the other party cannot hear my voice during a call?
The call ends automatically when talking on my vivo Phone. What should I do?
Why does my phone make phone calls automatically?
Can I change the way of answering and hanging up calls?
Why does the screen get black when I am talking on my phone?
Where can I find the total conversation time?
How to clear call logs?
Why does my phone vibrate automatically while other party answers or hangs up the phone calls?
What if I can't hear the sound during a call with the Bluetooth device?
Is there a limit to the number of call recordings?
How many call records can be saved at most?
Can I set the screen to not be turned off during a call?
Why doesn't the screen turn off when I answer a call?
Why does the video become brighter and darker from time to time during a video chat?
Why is the image blurry during a video call?
What if there is no prompt for incoming calls?
How to enable flip to mute?
Why do I have to unlock the screen to answer incoming calls?
What if I cannot set call barring?
What if no incoming call can be made during a call?
What if I cannot enable call waiting?
Is there a prompt for the incoming call of the other SIM card when one SIM card is on a call?
What does Dual SIM card Dual Standby Single pass mean?
What does Dual SIM card Dual Standby Dual pass mean?
What if a number is incorrectly marked?
What if my phone number is marked?
What if I cannot hear the other party's voice during a call?
What if I can't make a call?
Why is my phone bill charged gratuitously?
Why can others not call me but I can phone them?
Can I surf the Internet while I am talking on the phone?
Does vivo Phone support “Auto hang up the phone and reply SMS” when I am busy?
How to set to Push the power button to end the call?
Do our phones have the auto redial function?
How to make rejected calls unseen?
Why can the person still call in even though I have put them in blacklist?
How to reject contacts & messages?
Why does the calling records disappear after reboot?
Where can I find the call history between my friend and me?
What should I do if I forget the call barring password?
What is the call barring password?
How to enable or disable call barring?
How to record custom calls automatically?
What does call waiting mean?
How to remove or delete contacts in Blacklist?
How to reject all the incoming calls?
Where can I find the call recording?
Where can I find Missed calls?