Christine_ASUSHello Christine! A pleasure to talk to you again.
Thank you for your reply! Kindly provide the information below so that we can better assist you.
1. Have you change your SIM card to a VoLTE-supported SIM card from VIVO?
2. Please provide me the screenshot of
Settings>Network & internet>Mobile Network
3. Change your "Preferred network type" to 2G/3G/4G, does the issue remains the same?
Christine_ASUSChristine_ASUS please also keep me informed about the next steps to enable VoWifi on 5Z. My case is identical to that described by christianrodrigues1981. Thank you.
Thank you for your reply. I will forward the information to the relevant department. We will keep you updated and your consideration will be very much appreciated. Meanwhile, please check your inbox and provide me your logs and video for further checking. 😉