Ultra mobile $3 月租卡 如何开启wificalling

首先检查你的手机是否支持这个功能。官网有明确中文介绍
https://www.ultramobile.com/zh/wifi-talk-text/

什么是 WiFi Calling?
What is WiFi Calling & Text?
WiFi Calling & Text is the ability to make or receive voice calls or texts over a WiFi connection when cellular signal strength is weak or does not exist. WiFi Calling & Text leverages your local WiFi to connect to the carrier’s network, instead of connecting directly.

WiFi通话及短信是Ultra的一项新功能,它允许您通过WiFi网络而不是自己的上网流量来拨打或接听电话以及收发短信。 如果您所在的区域信号不好,只要能连接附近的WiFi网络,您即可以方便地使用Ultra手机通过WiFi网络来打电话或发短信。

如何开启?
这里是官网解释 https://www.ultramobile.com/zh/ios-features/

首先登录你的账户,然后开启【需要一个地址,实在不会就照抄我的】
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注意:在国内开启wificalling,必须先开启飞行模式,否则你是没办法使用的。为了避免有些二傻子不停的重复wificalling不work,我再次说一遍:在国内开启wificalling,必须先开启飞行模式,否则你是没办法使用的。 并且你不要开启各种VPN,有VPN的话,你永远都开启不了wificalling和收发短信。

然后手机开启服务【这里要特殊提醒,如果你在iphone手机上开启后又自动关闭,你可以先去账户里面先关闭wificalling,然后在打开手机的试试,其他更多的我就帮不了你了,毕竟手机在你手里,实在不行,你要是放心的话,可以把手机发到我国内客服那里,帮你设置好了再发会给你,运费自理】
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安卓手机如何设置wificalling?
You can set your Android device up for WiFi Calling & Text by doing the following:

Go to your phone’s “Wireless and Networks” settings
Select the “More” or “More Networks” option
Find WiFi Calling & Text, and enable it
You can set your WiFi Calling & Text Preferences by doing the following:

Tap “WiFi Calling & Text” (not the “Enable/Disable” button)
Tap “Connection Preferences”
Choose from:

WiFi Preferred – If a WiFi network is available, your phone will use the WiFi network rather than the cellular network
Cellular Network Preferred – Your phone will use a WiFi network for calls only if no cellular network is available
Never Use Cellular Network – Your phone will only use WiFi networks for calls

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