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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?

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

What is VoLTE?

How to turn on VoLTE?

Why can I not use VoLTE?

Will my SIM card be disabled when I activate iRoaming?

What is data roaming?

What does the HD sign in the status bar mean?

How to turn on VoWi-Fi?

How to use iRoaming?

Why is there no iRoaming on my phone?

Can Jio SIM card set as the additional card?

What is iRoaming?

Which payment methods does iRoaming support?

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