How to activate VOLTE on OnePlus 8T Oxygen OS 12 (Tested working on Oxygen OS 12 C.33 build) NEED root

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1) After rooting your phone, download the Qualcomm driver from below:
2) Run cmd here in Minimal ADB after install and type adb devices and enter, make sure that you can see your device's adb number
4)Type adb shell then press enter
5)Type su
6) Type setprop sys.usb.config diag,serial_cdev,rmnet,adb then press enter
7)Reboot your phone.
8) Your volte should be working now.
 
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HMBR

Member
Jan 2, 2012
38
0
Every Update I download using the Oxygen Updater App is giving an Error - "Verification Failed"
How can I fix this ?
 

BillGoss

Senior Member
Sep 2, 2010
5,337
4,746
Sydney
OnePlus 8T
Every Update I download using the Oxygen Updater App is giving an Error - "Verification Failed"
How can I fix this ?
This is the 3rd or 4th post of yours that I've seen in different threads saying the exact same thing.

The XDA forum rules (#5) explicitly say to stay on topic and only post once.
 
This is the latest firmware
Screenshot_2022-09-26-08-20-27-83_1f7d930ac4546e961acbbe2ed3d9ab7f.jpg
 

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    1) After rooting your phone, download the Qualcomm driver from below:
    2) Run cmd here in Minimal ADB after install and type adb devices and enter, make sure that you can see your device's adb number
    4)Type adb shell then press enter
    5)Type su
    6) Type setprop sys.usb.config diag,serial_cdev,rmnet,adb then press enter
    7)Reboot your phone.
    8) Your volte should be working now.
    1
    Sorry, but no Work for me. error on item 5
    1
    Sorry, but no Work for me. error on item 5
    The problem i see here:
    "setprop" is an android cli program and it doesn't exists on PC
    It change android system props and basically needs root access to run
    @kennethyha please explain how to run "setprop" when the phone is in EDL ?!
    1
    Just simply flash this module in Magisk ( ofc Root is needed )....