Honor X7 No Service & IMEI Repair – LX2 QCN File donwload

Honor X7 No Service & IMEI Repair A smartphone showing the “No Service” or “Invalid IMEI” error is not only an annoyance but also isolates your device from its most basic function, i.e., communication. If the Honor X7 (model LX2) you are working with exhibits these errors, then you probably have a modem configuration that is corrupted. A complete break-down of the issue’s cause and a detailed, stepwise guide to solving it with the help of a very important tool: the Honor X7 LX2 QCN file, will be provided in this manual.

Understanding the Problem: Why “No Service” and “Invalid IMEI”?

It is still relevant to understand the issue before going after its remedy. Two pairs of information inside the mobile help it establish a proper connection to the cellular network:

The IMEI (International Mobile Equipment Identity): It’s a very unique 15-digit number which is the identifier of your device on cellular networks. Comparing to humans, it is the equivalent of the phone’s Social Security number that is provided to carriers.

The Modem Configuration (NV Data): This comprises almost all the settings that calibrate your phone’s modem allowing it to talk with cellular towers in order to make a call, send a text, or use mobile data.

Because this information is a must to be accurate, EFS (Encrypted File System) memory is used to store it on the phone, while in the case of Qualcomm-based devices like the Honor X7, the Modem Partition.It is a full backup of the Modem Partition represented by the QCN (Qualcomm Calibration Network) file.

The main reasons for Honor X7 No Service & IMEI Repair the corruption of the data are:

Firmware Flashing Gone Wrong: Corrupted modem data may be a consequence of a mediocre software update.

Rooting or Modding: Sometimes the root access process or the flash installation of a custom ROM may delete this sensitive partition along with the rest of the system.

Software Bugs: A software malfunction that may cause the corruption should be considered as a possible cause too.

Hardware Damage: For example a damaged motherboard that may affect the internal memory of the device.

What actually happens is that the modem is not aware of its identity (lost IMEI) or that it should communicate with the network in another way (NV data corrupted), hence the “No Service” message comes up.

The Solution: Restoring with an Honor X7 LX2 QCN File

The safe and most long-lasting method by which a restored factory original QCN file is chosen and put just for the Honor X7 No Service & IMEI Repair is the solution to this problem. In this operation, basically, the properly functioning modem configuration and IMEI data become new rather than overwritten ones on the handset.

What You Will Need:

A Windows PC: The software required for this task is Windows-based.

Honor X7 (LX2) USB Drivers: Make sure your computer can detect your phone in a diagnostic mode.

QPST (Qualcomm Product Support Tools): The main program for doing a QCN backup of the phone is QPST.

Honor X7 LX2 QCN File: First of all, this file is the most important. Warning: It is imperative that you get this file from a reliable and trustworthy vendor. If you install a QCN file meant for another phone model on your device, it can cause it to be damaged beyond recovery permanently. The best places to look for a QCN file for the Honor X7 LX2 are forums for developers and websites that offer mobile repair resources and are known for their reliability.

IMSI Writing Tool (Optional but Recommended): It will be the original IMEI that is yours, which has been replaced with the one from the donor file after you have the QCN restored. Therefore, to get back your original IMEI, you need a tool like SN Write Tool or Chimera Tool.

Instructions for Repair Step-by-Step

Note: You must take full responsibility if things go south. The process involved a highly skilled one. There’s always a chance that the method results in data loss. Honor X7 No Service & IMEI Repair

Stage 1: Preparation

PC, download and install USB drivers and QPST required.

Get the correct Honor X7 LX2 QCN file and save it somewhere easy to locate on your computer (e.g., Desktop).

Stage 2: Diagnostic Mode Access on Honor X7

Switch off your Honor X7 entirely.

While holding down the Volume Up button, insert the USB cable into your PC.

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In this special mode, your phone will reboot. The system will install the needed drivers. In Windows Device Manager, look under “Ports (COM & LPT)” for a new Qualcomm HS-USB QDLoader port, and you will be able to identify the COM port number.

Stage 3: QPST Operation to Restore QCN

On your PC, launch the QPST Configuration software.

Go to “Ports” and then press the “Add New Port” button.

Pick the COM port that you wrote down earlier and click OK. Your phone now listed.

After that, use the “EFS Explorer” from the QPST folder or Start Menu to open it.

The “Connect” button  clicked the automatic detection the phone.

From the top menu, you can also choose “Backup,” then “Restore from QCN File.”

The QCN file of Honor X7 LX2 is the one you can select after the window opens for browsing.

Click the “Start” button and wait for the system to complete its operation. When a success message appears,  means QCN file written to the phone.

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Step 4: Return of Your Real IMEI (A Very Important Step)

IMEI in QCN file you replaced donor set. understood that to re-obtain original IMEI, together with the box written or label beneath the battery (if removable), you write back the one yours to device using a legitimate network.

Tools like SN Write Tool or Chimera Tool are what you should use (usually require a paid license).

Many detailed instructions of the tool will walk you through linking the phone and writing down the two original IMEI numbers.

Step 5: Final Reboot

Unplug your device, press and hold the Power button for 15-20 seconds to do a forced restart.

After the startup, check the IMEI numbers by going to Settings>About Phone>Status and, also, looking if the network signal is back.

Download Link: HERE
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Upload By: Ghulam Sarwar
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