I keep writing unlocking procedures for various types of modems for free. Today, we have come with you to unlock E173z-1 (E173) MTN Huawei Sudan modem. MTN has launched in Sudan, differnt types of firmware modem.

List of firmwares which were launched by MTN Sudan :

  1. 21.157.31.00.1043 (Build: Apr 23 2012 12:02:27)
  2. 21.157.31.00.284 (Build: Mar 17 2012 12:15:53)
  3. 21.157.13.00.284 (Build: Feb 16 2012 11:05:38)

Above mentioned all firmware modems are customised firmware modem and needs to unlock by software. One is unlocked Huawei compatible firmware and the another one is Huawei Modem Code Writer tool (download link is provided at the end of the article).

How to unlock E173z-1 (E173) MTN Huawei Sudan Modem?

1. Download all software’s from the link which is provided at the end of the article.

2. Now close the dashboard / software of MTN and run Universal Master Code software.

3. Head over to Huawei tab and generate the flash code for your modem.

4. Now run the downloaded firmware software.

5. When it asks for password then use flash code as password and proceed till finish.

6. Now open the Huawei Modem Code Writer tool and put there unlock code to unlock your modem.

Note : Recently, MTN Sudan has launched E173Z-1 modem with firmware version 21.158.73.00.1043. I hope this firmware (21.156.00.00.910.B757) will work (password of zip file is : n1122n).

Download Firmware to unlock E173z-1 MTN Huawei Sudan (Firmware Version : 21.157.13.00.910)

Huawei Modem Code Writer Tool

Download Universal Master Code Tool

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