For devices where manual methods fail, dedicated software can automate the process:
Go to Settings > About Phone and tap Build Number 7 times, then enable USB Debugging in Developer Options . 📱 Method 1: Dialer Codes (No Root) For devices where manual methods fail, dedicated software
Check on your PC; the device should now appear under Ports (COM & LPT) as a "Qualcomm HS-USB Android Diagnostics" port. 🧰 All-in-One Tools (Third-Party) Open your phone's dialer and try the following:
Many brands provide hidden dialer codes to quickly toggle USB modes. Open your phone's dialer and try the following: Open a terminal (CMD or PowerShell)
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