If you get failed in firmware updating and your modem IMEI is lost, you can again write the firmware using NV Items reader-writer tool. Now, you can flash the modem with any firmware.ġ4. Now, you have successfully taken the backup of the NV Item of your modem.ġ3. Save the NV backup of your Huawei / ZTE modem in PC with any name.ġ2. Now, it will give you an option for saving on PC.ġ1. In reading the modem firmware, NV Items reader-writer v1.0 software will take around 5 minutes.ġ0. Now click on the READ button to read the NV memory of the modem. Now, your modem will be connected to NV items reader writer software.Ĩ. After selecting the correct COM port, click on the connect menu.ħ. (To get the correct COM port of your ZTE / Huawei modem, follow this guide.)Ħ. Now click on the “Port” drop-down and select the correct COM port of your modem. Now disconnect from the internet and close the software of the ZTE / Huawei modem.ĥ. NV Item reader writer software – main menuĤ. Now extract in a folder using WinRAR software.ģ. First, download the Free “NV items reader writer software ” from the download link provided at the end of the article.Ģ. How to repair IMEI lost modem free (ZTE or Huawei)?ġ. If you are so lucky and you lost your IMEI only, then the modem can be repaired with software only. Some time if during firmware update, power fails, then the modem becomes dead forever. If you are using the corrupt or incompatible firmware or during the firmware flashing process, if the power supply fails, then the modem loses the IMEI. If you are using the correct firmware for flashing the modem, then the modem will be successfully unlocked using the firmware flashing method. Now users who want to use their modem with another network provider sim card then there is no choice for them he has to flash their modem to unlock the modem to use another network sim.

But, some Huawei and ZTE modems comes with customized firmware, and it can not be unlocked without flashing the firmware. Some Huawei and ZTE modems come with un-customized firmware and can be unlocked easily with unlock code only. The DC-unlocker team has made ZTE Qualcomm Writer software, and you might already know that DC-unlocker does not provide anything for free. Yesterday I had written an article about Repair lost IMEI of ZTE modem by ZTE Qualcomm Writer.

Huawei modem code writer free download