FAQ Dual VoLTE & VoWiFi activation for OnePlus 3/5/6

-Post must be written or translated in German, there are several services available e.g. deepl.com (recommended) or Google Translate.

- In the case of translations, the translated text in English must be included. So that the translation can be corrected if necessary.

General questions (OP3,OP5,OP6)

last change 18.07.2017 21:15 by Hugo

DASH works?

I don't get an answer

I get no answer

code for engineer mode

Engineer mode does not open, or no connection with the PC

code for network status

Do I need root access?

Does the hack remain after an update?

How do I make an EFS backup

How to install an EFS backup

Work it on Dual Sim?

General Questions about Software "Software Download"

program crashes

What do I have to select under Device in software download

Software Downloadr returns the following error message: "Failed to select interface with provided ID, please make sure interface still exist"

When I press start at the software downloader nothing happens?

No VoLTE or VoWifi logo


I have no VoLTE or VoWifi