VoLTE | 3 Hong Kong

3HK

VoLTE(Voice Over LTE)

To enjoy the high quality of voice call with our superb Network, please activate the VoLTE service in just a few steps!

* 1-Card-Multi-Number service is currently not applicable in VoLTE service.

Settings

How to Use

VoLTE Supported Mobile Devices List

iOS(Single SIM)

iOS(Dual SIM)

Android

HUAWEI

Xiaomi

HONOR

vivo

OPPO

Google

iOS (Single SIM)

iPhone 17 and above

VoLTE feature is enabled by default. No further action is required from the user.

iPhone 16 & earlier

1

Select the "Settings"

2

Select "Mobile Data"

3

Select "Mobile Data Options"

4

Select "Voice & Data"

5

Select "LTE, VoLTE On"

iOS (Dual SIM)

iPhone 17 and above

VoLTE feature is enabled by default. No further action is required from the user.

iPhone 16 & earlier

1

Select "Settings"

2

Select "Mobile Service"

3

Select "Primary" SIM

4

Select "Voice & Data"

5

At "VoLTE", swipe to right to turn on

Android

1

Select the "Settings" In the notification bar

2

Select "Connections"

3

Select "Mobile Networks"

4

Select the toggle VoLTE calls to enable VoLTE calls

5

Successfully enable VoLTE

HUAWEI

1

Select "Settings" in the home screen

2

Select "Mobile Network"

3

Select "Mobile Data"

4

Select the toggle VoLTE calls to enable VoLTE calls

5

Successfully enable VoLTE

Xiaomi

1

Select "Settings"

2

Select "Mobile networks"

3

Select SIM Setting with your mobile number, i.e. SIM slot 1 labelled "3" as shown above

4

At "Use VoLTE", swipe right to turn on

HONOR

1

Select "Settings"

2

Select "Mobile network"

3

Select "Mobile data"

4

Select "Preferred network mode"

4

Select "4G/3G/2G auto"

4

Return to "Mobile data" page, at "VoLTE calls", swipe right to turn on

vivo

1

Select "Settings"

2

Select "Mobile network"

3

Select SIM setting with your mobile number, i.e. "SIM 1" as shown above

4

At "VoLTE", swipe right to turn on

OPPO

1

Select "Settings"

2

Select "Mobile network"

3

Select SIM setting with your mobile number, i.e. "SIM 1" as shown above

4

At "VoLTE calls", swipe right to turn on

Google

1

Select "Settings"

2

Select "Network and Internet"

3

Select "Internet"

4

At "3", select "⚙️"

4

At "VoLTE", swipe right to turn on