*#0808# : Select or RMNET + DM + ADB and tap OK .
Go to Settings > About Phone and tap Build Number 7 times, then enable USB Debugging in Developer Options . 📱 Method 1: Dialer Codes (No Root) *#0808# : Select or RMNET + DM + ADB and tap OK
*#7284# : (Older models) Select for USB and DM+MODEM+ADB . *#9090# : Select DM/DUM over HS-USB . LG ##3424# *#0808# : Select or RMNET + DM + ADB and tap OK