How to Enable Diag Mode on HyperOS 2.0 (Step-by-Step Guide)

Introduction

With the release of HyperOS 2.0, Xiaomi has introduced a more refined and efficient operating system for its smartphones and tablets. Whether you're a developer, technician, or an advanced user, enabling Diag Mode on HyperOS 2.0 can help unlock diagnostic and debugging features essential for network configuration, IMEI repair, and hardware testing. 

Enable Diag Mode on HyperOS 2.0

What is Diag Mode in HyperOS 2.0?

Diag Mode (Diagnostic Mode) is a hidden developer feature on Android-based systems, including HyperOS, that allows access to Qualcomm diagnostic tools. It’s primarily used for advanced debugging, hardware testing, and repairing mobile functions like IMEI, baseband, and RF calibration.

Key Features of Diag Mode

• Access to Qualcomm diagnostic ports
• Ability to perform IMEI repair and network calibration
• Supports hardware-level troubleshooting
• Required for flashing baseband or modem files
• Compatible with QCN backup and restore

How to Enable Diag Mode on HyperOS 2.0 (Step-by-Step)

Follow these steps to activate Diag Mode on your HyperOS 2.0-powered device:

• Step 1: Enable Developer Options
• Go to Settings > About Phone > Tap MIUI/HyperOS version 7 times.
• Step 2: Turn on USB Debugging
• Navigate to Settings > Additional Settings > Developer Options > Enable USB Debugging.
• Step 3: Connect your device to PC using a USB cable.
• Step 4: Install ADB drivers on your computer (if not already installed).
• Step 5: Open Command Prompt or ADB tool window on PC.
• Step 6: Type the following command and hit Enter:
• adb shell setprop sys.usb.config diag,adb
• Step 7: Your phone will now switch to Diag Mode. Confirm using Device Manager under Ports (COM & LPT) — you should see "Qualcomm HS-USB Diagnostics" listed.

How to Download Required Tools

To use Diag Mode effectively, you'll need a few software tools:

Minimal ADB and Fastboot

1. Download from official XDA Developers page
2. Lightweight ADB tool for command-line access

Qualcomm USB Drivers

1. Available on Qualcomm or XDA forums
2. Necessary for Diag port detection

QPST/QFIL Tool

1. Used for QCN file backup and IMEI repair
2. Download from Qualcomm community or support site

Supported Devices

Diag Mode on HyperOS 2.0 is supported on the following devices:

• Xiaomi 13 / 13 Pro / 13 Ultra
• Redmi Note 13 Series
• Poco X6 / X6 Pro
• Xiaomi Pad 6
• Mi 11, Mi 12 series (HyperOS upgraded)
• Other Qualcomm chipset-based Xiaomi/Redmi/Poco devices running HyperOS 2.0

Advantages of Using Diag Mode

• Enables advanced hardware diagnostics
• Helps in restoring IMEI and baseband
• Supports QCN file restoration for fixing network issues
• Used by service centers for RF calibration
• Assists in modem firmware flashing for signal optimization

Conclusion

Enabling Diag Mode on HyperOS 2.0 is a powerful way to unlock advanced hardware control on your Xiaomi, Redmi, or Poco device. Whether you're troubleshooting network problems or working on device-level repairs, this guide ensures you can access Diag Mode safely and effectively. Always proceed with caution, as these operations can affect your device if misused. 

Download: Click