*#7284# : (Older models) Select for USB and DM+MODEM+ADB . *#9090# : Select DM/DUM over HS-USB . LG ##3424#
##3424# then select or use a service tool like XTC 2 Clip. 💻 Method 2: ADB Commands (Root Required)
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
*#0808# : Select or RMNET + DM + ADB and tap OK .
5457#*#xxxx# (Replace xxxx with your model number, e.g., 855 for G3) 💻 Method 2: ADB Commands (Root Required) This
DIAG mode is essential for performing advanced technical tasks like , baseband fixing , QCN reading/writing , and network unlocking . 🛠️ Prerequisites
For devices where manual methods fail, dedicated software can automate the process: 🛠️ Prerequisites For devices where manual methods fail,
Go to Settings > About Phone and tap Build Number 7 times, then enable USB Debugging in Developer Options . 📱 Method 1: Dialer Codes (No Root)