How to activate or deactivate non-cellular VoLTE

Smartphones with an icon indicating VoLTE in the status bar
Learn how to link and unlink to VoLTE technology on iPhone and Android (Image: Lucas Braga/Tecnoblog)

Activating non-cellular VoLTE technology allows you to make high-quality voice calls using 4G networks.

To function, the service must be offered in a contracted package with a mobile phone operator. Also, you must be within the coverage area.

It is also possible to deactivate VoLTE at any time to stop using 4G in connections.

See, to follow, step by step to enable or launch VoLTE on your Android cell phone or iPhone.

How to activate or deactivate Samsung cellular VoLTE

1. Enter the connection settings of the Samsung Galaxy

Access or app Configurations (gear icon), and then enter no menu Connections.

How to activate VoLTE on Samsung cell phones

2. Access the “Mobile Networks” option

No menu Connectionsrole a fabric to find a section Mobile networks.

How to activate VoLTE on Samsung smartphones

3. Active or desative or VoLTE non-Samsung cellular

Check or uncheck the VoLTE Calls option. If you have a non-cellular chip, you must follow the desired non-SIM procedure.

How to activate or deactivate VoLTE on Samsung smartphones

⚠ Attention

Some Samsung models do not allow you to deactivate HD calls if the band selection includes 5G technology. For devices, the only way to pull the VoLTE is alternating for the LTE/3G/2G connection mode.

How to activate or deactivate Motorola's cellular VoLTE

1. Enter the network settings of your smartphone

Open the app Configurations (gear icon), and then enter no menu Network and internet.

How to activate or deactivate VoLTE on Motorola cell phones

2. Access the Mobile Network section

Enter the section Mobile network To activate or deactivate VoLTE on your Motorola cell phone.

How to activate or deactivate VoLTE on Motorola cell phones

3. Active or deactivate Chamada 4G on Motorola

Check or uncheck the 4G Call option to activate or deactivate VoLTE on Motorola phones. If you have more than a non-cellular chip, you will have to select first or the desired SIM.

How to activate or deactivate VoLTE on Motorola cell phones

How to activate or deactivate VoLTE on Xiaomi cell phones

1. Enter Xiaomi's network settings

Open the menu Configurationsand then enter the option SIM cards and mobile networks.

How to activate VoLTE on Xiaomi cell phones

2. Key or chip to activate or deactivate VoLTE on Xiaomi

Tap on the SIM Card option to select which one you want to make the change. In the section Mobile networkscheck or uncheck optionally Use VoLTE.

How to activate VoLTE on Xiaomi cell phones

⚠ Attention

Not all Xiaomi smartphones have VoLTE functionality available — especially imported devices. Além disso, none of the operators approve VoLTE technology for Xiaomi devices.

How to activate or deactivate VoLTE on iPhone

1. Access the iOS Settings and open the Cellular menu

between em Settings (gear icon), after you touch it Cell phone. If you have more than one mobile line on your iPhone (chip + eSIM or two eSIMs), select the desired SIM.

How to activate or deactivate VoLTE on iPhone

2. Enter the Voice and Data option to activate/deactivate VoLTE on iPhone

Locate the Voice and Dice section. Then, activate or deactivate the VoLTE function, according to your preference

How to activate or deactivate VoLTE on iPhone

If VoLTE is available to your operator and service plan, voice calls will be made automatically over the 4G or 5G network. The iPhone does not have an indicator in the status bar for HD calls.

Why does the VoLTE icon not appear on my cell phone?

Most two Android smartphones display the VoLTE icon in the top bar. If the indicator does not appear, check to see if you are in a location with 4G coverage and whether your operator offers technology for your mobile plan.

No iPhone has any indication in the status bar about VoLTE availability.

The easiest way to know if VoLTE is active on your smartphone is to check if the interface shows the 4G, 4G+, 4.5G or 5G icons during connections. If during a connection the signal displays H+, H, 3G or appears without the technology indicator, it means that VoLTE is not working.

The VoLTE icon is also not displayed if you are using the active Wi-Fi calling service. In this case, the displayed icon is WiFi Voice, VoWiFi or a phone symbol in conjunction with a Wi-Fi signal.

I can't use VoLTE. Or what to do?

If you are in the 4G coverage area, or VoLTE is active on your cell phone and still supports continuous connections via 3G or 2G, it is important to verify whether the operator has restrictions for the use of VoLTE that require manual activation.

Some operators, such as Claro, limit VoLTE technology to customers with a post-paid plan — they use control, pre-paid or Claro Flex, the only way to make calls through 3G or 2G networks.

It is also possible that your region faces problems with mobile networks. In this case, it is important to activate the operator's support to solve the fault.

Finally, make sure that your operator has a cell phone approved to work with VoLTE technology. Models imported or not sold in Brazil may not work with calls via 4G due to lack of certification of the televisions.

How to activate or deactivate non-cellular VoLTE

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