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VoWiFi: what it is and how to activate it on your smartphone with MIUI ROM

We always hear about the VoLTE technology, now present in almost all smartphones with 4G connectivity but perhaps few have heard of the term VoWiFi, a technology similar to the aforementioned VoLTE but which, as the term suggests, uses a WiFi connection to make calls too. if we don't have phone coverage. In short, the time in which we relied on the GSM signal cleats seems far away, as today we are able to make better audio quality calls even in the absence of a field, thanks to the Internet that has literally changed our lives and improved many aspects. thanks to the introduction of new compatible technologies, just like VoLTE and VoWiFi.

VoWiFi: what it is and how to activate it on your smartphone with MIUI ROM

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Today we see together then how to activate the function on our smartphones equipped with MIUI ROM, therefore Xiaomi, Redmi, POCO, BlackShark but probably also on smartphones that equip Custom ROMs based on MIUI. In the specific VoWiFi indicates the term Voice over WiFi, which is a technology that allows you to make calls from our smartphone using the WiFi connection. Definitely useful in homes or offices where your carrier does not offer mobile coverage.

Of course, in addition to our smartphone, compatibility with the VoWiFi function must also come from our telephone operator. I would not say stupid and in case I invite you to correct me via the cometi box below, but the only Italian operator to offer support for the call function via WiFi is Very Mobile. However, the advantage of using VoWiFi also lies in the reduced energy consumption compared to other technologies, such as VoIP or call services via applications such as Skype and WhatsApp.

VoWiFi technology is generally disabled on our smartphones with MIUI ROM and to activate it we just have to follow the simple steps listed below:

  1. From the telephony dialer enter the following string:  * # * # * # * # 869434. At this point you will see a balloon icon with the text appear at the bottom VoWiFi Carrier check was disabled: despite the writing disabled, this will indicate that the VoWiFi function has been activated on your smartphone.
  2. Now you will have to go to the Settings menu> SIM cards and mobile networks
  3. Once inside, we activate the option Make calls over Wi-Fi .
    • If our smartphone is a Dual SIM, the VoWiFi option will be found in Settings> SIM cards and mobile networks> SIM1 / SIM2.

[Source]

Emanuele Iafulla

Emanuele Iafulla

Nerd, Geek, Netizen, terms that do not belong to me. Simply myself, technology lover and provocative as Xiaomi does with his products. High quality at fair prices, a real provocation for the other most famous brands.

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Mario
Mario
1 year ago

Thank you for the tip! As a further setting, "Network Preferences" appears: is it preferable to set it to "Prefer mobile networks" or "Do you prefer Wi-Fi"?
Thank you

marine
marine
1 year ago
Reply to  Mario

how did you then set it?

Last edited 1 year ago by marino
Mario
Mario
1 year ago
Reply to  marine

I was waiting for an answer and while waiting I left the default one "prefer mobile networks"

MARINO ZANOLLI
MARINO ZANOLLI
1 year ago
Reply to  Mario

So it works for you… what model do you have?

Mario
Mario
1 year ago
Reply to  MARINO ZANOLLI

update: on another site, albeit not specifically stated, an image reads that the setting I am referring to is set to "Prefer Wi-Fi"

Mario
Mario
1 year ago
Reply to  MARINO ZANOLLI

I have a Mi 9TPro, but I have not had the opportunity to test it carefully ... as soon as I get free I will do more in-depth tests. However, I am waiting for a response from the person who wrote the article 😀

Francesco
Francesco
1 year ago
Reply to  Mario

I have a Mi9T. I put Wi-Fi as a priority, as I spend a lot of time in a basement where the phone picks up badly. I am doing well and have not found any worsening in any case.

Mario
Mario
1 year ago
Reply to  Francesco

What operator do you have?

toti
toti
4 months ago

Emanuele Iafulla
thanks for the tip, do you know if other operators besides very give the possibility Vo wifi?

toti
toti
5 months ago

hi, I followed the instructions all ok ... how do I know if I'm calling with wifi? does it also work in reception?

Josi
Josi
6 months ago

Fiz or porém não funciona procedure

Ruthielly
Ruthielly
7 months ago

Tenho um notes 10 prime e não consigo ativar a chamada wi fi como pode mi ajudar?

Frederic
Frederic
1 year ago

Bonjour,
I have one poco x3 NFC j'ai effectué la manipe mais seul Times apparait et pas d'option vowifi.
Aidé moi SVP
Thank you

Agnaldo
Agnaldo
1 year ago

....

Last edited 1 year ago by Agnaldo
Asher
Asher
1 year ago

Times or VoWiFi and the same thing I have times active redmi.n 8 pro

Last edited 1 year ago by Aser
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