additiona info;
for at least OP6T - tested by me just now, please follow this instruction
ang pinagka-iba nila sa orignal post is hindi commercial DT VoLTE ang in-enable ko kundi india-volte-vodafone at pwede rin daw telefonika UK and for OP6t dinis-able ko yung commercial Volte DS. kasi kug hindi nakadis-able yung default (which is Commercial VOLTE DS- hindi gagana)
my point is pa try na lang din for op5t kung sakaling hindi working yung orignal post.
Hello! This is my guide to enable or activate VoLTE/VoWIFI on Oneplus 6T OxygenOS 11 Beta
Before I install OSS 11 Beta, my VoLTE is working fine and I used this method to enable it but after I upgrade it to OSS 11 beta, The VoLTE is not working anymore so after much research I found the solution.
Tools to be needed:
ADB
Oneplus Drivers
Qualcom Drivers
QSPT Software
1st - Connect your phone and run adb on administrator mode and type this command:
adb devices - make sure that your device is working on adb
adb reboot ftm - this will reboot your phone into diagnostic mode and you can see Chinese characters there
adb shell
then type this command
setprop sys.usb.config diag,serial_cdev,rmnet,adb then enter
after that, don't close the command prompt
2nd - open device manager and make sure on the com port tab, you can see the Qualcomm HS something like that.
if you can see that the driver is installed, next is
3rd - open PDC as administrator
4th -Select your device on the drop-down menu then if you see your device select it and right-click on "Oversea-Commercial_DS" and deactivate Sub0 and Sub1
Click on Oversea-Commercial_DS again and click on remove -- DO NOT CLICK REMOVE, JUST DE-ACTIVATE IT - your settings stick after a reboot, so no longer need to remove the profile (at least on my device my profiles stick, also makes it easier to go back to default)
5th - Close the app and reopen it
6th - Select India-VoLTE-Vodafone or Telefonica_UK_Commercial, right-click and SetSelectedConfig for both Sub0 and Sub1
7th - Click on the profile you selected (India) again and click on Activate
Yes, select UK/India even if you are located in another region (see above for confirmed locations + carriers)
8th -Close the PDC and go back to cmd/adb then type
adb reboot
and Boom! VoLTE is Working
I combined the tutorial on this forum
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Log in or register now. and my own research.