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Can Y51L be updated to support VoLTE?

Does the phone sold out of Chinese Mainland support the VoLTE network of China Mobile and China Telecom?

12. How to buy iRoaming?

What is VoLTE?

11. Which countries/regions does iRoaming support the data network service from?

How to turn on VoLTE?

Why can I not use VoLTE?

Will my SIM card be disabled when I activate iRoaming?

What does the HD sign in the status bar mean?

What is data roaming?

How to turn on VoWi-Fi?

How to use iRoaming?

Can Jio SIM card set as the additional card?

Why is there no iRoaming on my phone?

Which payment methods does iRoaming support?

What is iRoaming?

Find My Phone
Lag & Stuck
Storage & File Manager
Backup & vivoCloud
Purchase Consulting
vivo & Google Account
Music & Video
Personal Hotspot & Wi-Fi