Connect the phone to your PC and accept the "Allow USB Debugging" prompt on the phone screen. 2. Install Mandatory Windows Drivers
What (e.g., lost IMEI, baseband issue, network lock) you are trying to resolve?
A: This often happens on custom ROMs where the necessary configuration is missing. The fix involves manually editing the init.qcom.usb.rc file, which requires root and careful file editing. A simpler workaround is to try a different tool, like Android Utility Tool, which may handle the port activation differently.
By using the Universal Android Diag Enabler, you can: universal android diag enabler download
Follow these steps to download and utilize a standard automated Diag enabler tool on Windows: Step 1: Download the Necessary Files
| Brand | USSD Code(s) | | :--- | :--- | | | ##2846579# → Project Menu → Manufacture | | Vivo | *#558# or ##558# → Quality Verification Test → Diagnostic Port | | OnePlus | *#801# or *#8011# → diag switch ON | | OPPO / Realme | *#801# or *#8011# or *#649010# | | Xiaomi / Redmi | *#*#13491#*#* or ##717717# | | Samsung | *#0808# or ##3666333# (Verizon/USC) or ##3424# (Sprint) | | Lenovo | ##8899# | | ZTE | *#7678# or 983673636# then 98387274# | | LG | *#546368#*#### (replace ### with your model number) |
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Connect the phone to your PC and accept
Open Windows Device Manager ( devmgmt.msc ). Expand the Ports (COM & LPT) section. You should see a new entry labeled Qualcomm HS-USB Diagnostics [COM Key] . Troubleshooting Common Errors Error: "Device Not Found" or "Waiting for Device"
, which is a highly-rated, safe open-source tool used for removing unwanted system apps (bloatware). Analysis Universal-Android-Diag-Enabler-V2.exe (MD5
Enable Developer Options (tap "Build Number" 7 times) and toggle USB Debugging on. A: This often happens on custom ROMs where
Depending on the file you downloaded, do one of the following:
Most download packages contain a regular script or a lightweight graphical user interface (GUI).
If a device loses its International Mobile Equipment Identity (IMEI) number due to a corrupted flashing process or software crash, the Diag port allows specialized tools to rewrite the original, legal IMEI back to the device's NVRAM/EFS partition.
installed on your PC, or the device will not be recognized in diag mode.