Qualcomm Imei Repair Tool Without Box ›

If your device has a null/corrupted IMEI (not changing it to a different number), here are legal methods:

A "no-box" tool claims to write or restore a valid IMEI number using only a PC, a USB cable, and software—no dongle, no box, no physical adapter.

These tools typically work by:

If you have a Qualcomm phone with a lost IMEI, search for a device-specific guide on XDA Developers. A universal tool is a myth; your specific chipset (SM8250, SM6350, etc.) requires specific commands.

Have you successfully repaired a Qualcomm IMEI without a box? Share your experience in the comments below (but keep it legal).

How to Repair Qualcomm IMEI Without a Box: A Step-by-Step Guide

Losing your IMEI (International Mobile Equipment Identity) usually happens after a bad firmware flash or a system crash, leaving your device with a "Null" or "Invalid" status. While professional technicians often use expensive hardware boxes like Go to product viewer dialog for this item.

or UMT, you can actually restore your Qualcomm IMEI using free software tools. ⚠️ Important Legal & Safety Warning

Changing an IMEI to a different number is illegal in many countries and can lead to serious legal penalties. This guide is strictly for repairing a corrupted IMEI back to its original factory number found on your device's back cover or original box. Phase 1: Preparation & Requirements Before starting, ensure you have the following: Qualcomm USB Drivers: Installed on your Windows PC.

QPST / QFIL Tool: The standard utility for Qualcomm flashing. qualcomm imei repair tool without box

Diagnostic Mode: Your phone must be in Diag Mode (usually enabled by dialing *#*#717717#*#* or via ADB commands like setprop sys.usb.config diag,adb).

IMEI Converter Tool: To convert your 15-digit IMEI into HEX format. Phase 2: The Repair Process (QCN Method)

This method involves backing up your device's QCN (Qualcomm Calibration Network) file, editing it with your original IMEI, and restoring it. 1. Backup the QCN File

Open QPST Configuration and ensure your device is detected on a COM Port. Go to Start Clients > Software Download.

Navigate to the Backup tab, choose a save location, and click Start to save your .qcn file. 2. Edit the QCN with Hex Editor Use a HEX Editor (like HxD) to open your saved .qcn file.

Use an IMEI to HEX converter to get the hex values for your original IMEI.

Search for the old/corrupted HEX string in the file and replace it with your new converted HEX string. Save the modified file. 3. Restore the Repaired IMEI In the Software Download tool, go to the Restore tab. Select your modified .qcn file. Click Start and wait for the process to finish. Reboot your device and dial *#06# to verify the fix. Top Free Tools for 2026

If the manual QCN method is too complex, several "one-click" free tools have gained popularity:

Qualcomm IMEI Write Tool: A simple Windows app specifically for writing IMEIs to Qualcomm chips. If your device has a null/corrupted IMEI (not

After Sales Tool V7: A 2025/2026 updated utility that supports various Qualcomm-based brands like Infinix and Techno.

TSM-Tool: Frequently updated for newer models to handle FRP and IMEI repairs in one click. Troubleshooting

Device Not Detected: Double-check your USB Drivers and ensure the phone is actually in Diag Mode.

Write Failed: Ensure you have Root access if the tool requires it, or try a different COM port.

How to fix an invalid IMEI issue on your smartphone - Airtel

Repairing or writing a Qualcomm IMEI without a hardware box (such as Z3X or Octoplus) can be done using free official and community-developed software tools. These methods typically require a PC, the correct drivers, and enabling Diagnostic Mode on your device. Essential Tools (No Hardware Box Required) Qualcomm Product Support Tool (QPST) : The official Qualcomm service software that includes the QFIL (Qualcomm Flash Image Loader) utility for backing up and restoring QCN files. Write Dual IMEI Tool

: A simple, free Windows application specifically designed to write IMEI numbers to Qualcomm Snapdragon devices without a dongle. QCN IMEI Tool

: Used to load, modify, and replace the IMEI numbers within a device's QCN (Qualcomm Calibration Network) file before flashing it back to the phone. ZTE Qualcomm Writer

: A specific utility for ZTE devices and modems that allows writing only the IMEI. Preparation & Prerequisites : Install the latest Qualcomm USB Drivers ADB/Fastboot Drivers on your PC. Diagnostic Mode If you backed up EFS before corruption, use:

: Most tools only work if the phone is in "Diag Mode." This is usually enabled by dialing codes like *#*#717717#*#* or using ADB commands while rooted. Original IMEI

: Always use the original IMEI found on the device's retail box or purchase bill. General Repair Workflow (QCN Method) Qualcomm imei repair tool without box Qualcomm imei repair tool without box

If you backed up EFS before corruption, use:

Here are the most legitimate software-based methods currently available. Use at your own risk.

Launch QFIL or Software Download. Verify COM port detection.

Let’s be absolutely clear:

IMEI repair is legal ONLY if you are restoring the original, factory-assigned IMEI to your own device.

Changing an IMEI to bypass a blacklist, hide a stolen phone, or clone another device is criminal fraud.

Ethical use cases:

Unethical (illegal) use: