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[Guide] VoLTE + VoWiFi working for German carriers

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By dagoban, Senior Member on 17th July 2018, 12:05 PM
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[UPDATE]
Updated QPST version + new how to

Exciting news, @jamal2367 from https://jamal2367.com has developed a way to get VoLTE + VoWifi working for many countries + carriers.

If you are on Vodafone and you are having problems with Telefonica_UK_Commercial, try India-VoLTE-Vodafone instead.
The name of the country doesn't matter, its all about the actual configuration settings stored in the profile.

So far tested and working
Telefonica_UK_Commercial settings
Germany: T-Mobile, O2, Vodafone, former E-Plus, 3rd parties like Alditalk,...
Portugal Vodafone
Czech Republic Vodafone
Greece Cosmote
Romania Orange --> if not working, use Telia Finland settings instead of Telefonica UK
Netherlands Vodafone
Switzerland Swisscom
Belgium Orange
Malaysia telco Digi
TurkeyTürk Telekom
Austria Drei
Greece Cosmote
Hungary Telekom
This is NOT just enabling the settings in the menu but really enabling the full features!

The German carriers have enabled VoLTE for quite some time already and OnePlus has officially enabled the feature, but we were still not able to actually use it, only to show it in the settings because the carriers have not distributed OnePlus with the appropiate settings for VoLTE + VoWiFi.

Original credits go to jamal2367 from https://android-hubo.de/thread/8203-...n-de-ohne-root

It works for OnePlus
3/3T
5/5T
: Link to 5: https://forum.xda-developers.com/one...-user-t3816516
6 Link to 6 https://forum.xda-developers.com/one...-user-t3817412


Since I own a 5T this is a how to for the 5T, see the original threat for the other how to's

Requirements:
OxygenOS
With root-->magisk--> Module VoEnabler 1.2 by Toucan-->enable it
w/o root--> open the dialer: *#800# --> oneplus Logkit --> Function Switch --> enable VoLTE + VoWifi switch

Disclaimer
You can break your phone, so know what you do


Steps
1)To be safe, make a backup via TRWP of your EFS partition BEFORE you flash anything! If you're not rooted, do a nandroid backup via fastboot

2) Download and install:
https://jamal2367.com/VoLTE-VoWiFi/Q....3%20Setup.zip
https://jamal2367.com/VoLTE-VoWiFi/QPST_2.7.460.zip
Just use the standard settings and click on OK, next, ...

3) Connect your phone to your laptop via USB

4) open dialer app and enter *#801#
Set Serial and Full-port switch to ON

5) Open "PDC" in your QPST start menu folder, best to do by right click & "run as administrator"
Select your device, right click on "Oversea-Commercial_DS" and deactivate Sub0 and Sub1
Click on Oversea-Commercial_DS again and click on remove

6) Close the app and reopen it

7)
Select India-VoLTE-Vodafone or Telefonica_UK_Commercial, right click and SetSelectedConfig for both Sub0 and Sub1

8)
Click on the profile from step 7 again and click on Activate
Yes, select UK/India even if you are located in another region (see above for comfirmed locations + carriers)

9) Restart your phone

10) Voila, you now have working VoLTE + VoWiFi
Quote:

[Old How-To, if the current one doesn't work for you, try this way]

Steps
1)To be safe, make a backup via TRWP of your EFS partition BEFORE you flash anything! If you're not rooted, do a nandroid backup via fastboot

2) Download and install:
https://jamal2367.com/VoLTE-VoWiFi/Q....3%20Setup.zip
https://jamal2367.com/VoLTE-VoWiFi/QPST_2.7.420.zip
Just use the standard settings and click on OK, next, ...

3) Connect your phone to your laptop via USB

4) open dialer app and enter *#801#
Set Serial and Full-port switch to ON

5) Open "Software Download" in your QPST start menu folder, best to do by right click & "run as administrator"
Go to: MCFG_PDC (to the right), select your device, right click on "Oversea-Commercial_DS" and deactivate Sub0 and Sub1
Click on Oversea-Commercial_DS again and click on remove

6) Close the app and reopen it

7)
Go again to MCFG_PDC, select your device, scroll down to Telefonica_UK_Commercial, right click and SetSelectedConfig for both Sub0 and Sub1

8)
Click on Telefonica_UK_Commercial again, then to the right on Activate and on Start --> you will not see a confirmation screen, so don't be surprised
I received an error but it still worked.
Yes, select UK even if you are located in another region (see above for comfirmed locations + carriers)

9) Restart your phone

10) Voila, you now have working VoLTE + VoWiFi

VoWiFi


VoLTE
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17th July 2018, 01:30 PM |#2  
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This would be great for me on Telstra in Australia since same issue with VoLTE
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17th July 2018, 02:33 PM |#3  
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Germany: T-Mobile, O2, Vodafone, former E-Plus, 3rd parties like Alditalk,...
Portugal Vodafone
Czech Republic Vodafone
Greece Cosmote
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17th July 2018, 03:48 PM |#4  
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it worked even turkey.
17th July 2018, 04:05 PM |#5  
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Hi
Any chance to work in Belgium (Orange carrier )
17th July 2018, 05:11 PM |#6  
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Quote:
Originally Posted by Rebel242

Hi
Any chance to work in Belgium (Orange carrier )

We don't know before you try it
Just make a backup of your EFS, try it out, if it doesn't work, you can always recover the EFS
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17th July 2018, 05:11 PM |#7  
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Quote:
Originally Posted by delly99

it worked even turkey.

Which carrier? Will add it to the OP
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17th July 2018, 06:59 PM |#8  
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Fantastic, very good job
Work fine for Belgium Orange carrier
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17th July 2018, 07:37 PM |#9  
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+1
Orange Romania Volte and VoWifi

great @JAMAL
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17th July 2018, 09:11 PM |#10  
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Both VoLTE and VoWiFi working with Vodafone Netherlands!

A big thanks to @jamal2367
17th July 2018, 09:26 PM |#11  
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It works indeed w/ Swisscom (Switzerland). Both VoLTE and Wi-Fi calling seems to work!
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