All-in-one-enable-diag-reset-tool-for-samsung-lg-htc-huawei-qualcomm-my-blog Page

*#7284# : (Older models) Select for USB and DM+MODEM+ADB . *#9090# : Select DM/DUM over HS-USB . LG ##3424#

This guide provides a comprehensive overview of how to enable on various Android devices using common methods and tools. *#7284# : (Older models) Select for USB and DM+MODEM+ADB

For devices where manual methods fail, dedicated software can automate the process: For devices where manual methods fail, dedicated software

Go to Settings > About Phone and tap Build Number 7 times, then enable USB Debugging in Developer Options . 📱 Method 1: Dialer Codes (No Root) Connect your phone to the PC

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

*#0808# : Select or RMNET + DM + ADB and tap OK .