How to unlock Zain E5577s-321

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In Saudi Arabia, Zain has also launched Huawei E5577 model after STC. The unlocking process of Zain E5577s-321 is comparatively far easier than STC. It is so easy that after reading this post you may immediately want to unlock your router. So without wasting your precious time, let me start the unlocking process of Zain E5577s-321.

How to unlock Zain E5577s-321

Pre-requirements:

  1. Download FC Serial Port and Huawei Data Card Drivers
  2. DC-Unlocker for extracting the encrypted hash and detecting the router
  3. First Firmware – E5577s-321 version 21.180.99.05.00
  4. Second Firmware – E5577s-321 version 21.200.05.00.00 

Steps to unlock Huawei E5577s-321 Zain:-

Phase I:

  1. Install Mobile Partner and restart your computer to get the drivers properly installed.
  2. Make sure the router battery is at least 70% charged to avoid any damage during the process.
  3. Press and hold the physical reset button given on the back side of the Huawei E5577 router, next to the battery to reset it to the factory settings. Now, connect it to your computer with the help of USB cable. Don’t use Wifi.
  4. The default web interface of the router will open automatically, close it and run the firmware 21.180.99.05.00.
  5. Huawei E5577s-321 router will ask you for the flash code, generate the flash code from here.
  6. Wait for the installation to be finished. Kindly note that the router will switch to FTM/MMI mode after installing this firmware.

Phase II:

  1. Open DC-unlocker as administrator, click the magnifying icon to detect your Huawei E5577s-321 Zain router under it.
  2. Once the information of the router is displayed, type AT^NVRDEX=50503,0,128 and press enter.

How to unlock Zain E5577s-321

  1. As a result of typing the AT command, you will receive some hexadecimal numbers as given in the picture above.
  2. Copy everything and paste it into the comment section to get the unlock code.

Phase III:

  1. After receiving the unlock code, update the Zain E5577 router with firmware 21.200.00.05.00.
  2. Once the installation is over, switch off the router, insert non-Zain sim and switch it on again.
  3. You will be asked to enter the unlock code, Enter the correct code(which you have received from us) to unlock your router forever.

Unlock code is not free. You will have to pay 6 USD to get the Unlock Code. Kindly proceed only if you are ready to pay the same.

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