All-in-one-enable-diag-reset-tool-for-samsung-lg-htc-huawei-qualcomm-my-blog May 2026

##3424# then select or use a service tool like XTC 2 Clip. 💻 Method 2: ADB Commands (Root Required)

*#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

This guide provides a comprehensive overview of how to enable on various Android devices using common methods and tools. LG ##3424# This guide provides a comprehensive overview

Many brands provide hidden dialer codes to quickly toggle USB modes. Open your phone's dialer and try the following: 📱 Method 1: Dialer Codes (No Root) DIAG

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

DIAG mode is essential for performing advanced technical tasks like , baseband fixing , QCN reading/writing , and network unlocking . 🛠️ Prerequisites

5457#*#xxxx# (Replace xxxx with your model number, e.g., 855 for G3)