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