All-in-one-enable-diag-reset-tool-for-samsung-lg-htc-huawei-qualcomm-my-blog -
Before attempting to enable DIAG mode, ensure you have the following: Install Qualcomm HS-USB QDLoader 9008 drivers for your PC. ADB Tools: Ensure you have ADB and Fastboot installed.
*#7284# : (Older models) Select for USB and DM+MODEM+ADB . *#9090# : Select DM/DUM over HS-USB . LG ##3424# Before attempting to enable DIAG mode, ensure you
Many brands provide hidden dialer codes to quickly toggle USB modes. Open your phone's dialer and try the following: *#9090# : Select DM/DUM over HS-USB
If dialer codes don't work, you can use ADB commands from your computer. This method typically requires . Connect your phone to the PC. Open a terminal (CMD or PowerShell). Enter the following commands sequentially: adb shell su setprop sys.usb.config diag,adb Use code with caution. Copied to clipboard This method typically requires
##3424# then select or use a service tool like XTC 2 Clip. 💻 Method 2: ADB Commands (Root Required)
