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Set up Voice over LTE Calling (VoLTE) - Apple iOS

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Before you start

This guide will show you how to enable Voice over LTE Calling (VoLTE) to make high-quality phone calls on your iPhone. To make these calls, both phones need to work with VoLTE. NOTICE: SCREEN IMAGES MAY DIFFER FROM YOUR ACTUAL DEVICE.

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Select Settings

Select Settings
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Select Mobile Data

Select Mobile Data
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Select Mobile Data Options

Select Mobile Data Options
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Select Enable 4G

Select Enable 4G
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To enable VoLTE calls, select Voice & Data

To enable VoLTE calls, select Voice & Data
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To disable VoLTE calls, select Off

Your iPhone will now use the 3G network for calling.

To disable VoLTE calls, select Off
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Set up Voice over LTE Calling (VoLTE)

Apple iOS

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by Mobilethink / Tweakker