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 Go to Settings > About Phone and tap
For devices where manual methods fail, dedicated software can automate the process: Go to Settings > About Phone and tap
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) Go to Settings > About Phone and tap