How to Unlock Huawei E158 USB Modem

The brief technical specifications: 3g modem speed wireless standard UMTS/WCDMA with USB interface and card reader microSD memory up to 4 GB.Huawei E158 supports standards: UMTS/WCDMA/GPRS/EDGE. Huawei E158 modem can receive data at up to 3.1 Mbit/s and the transfer of up to 384 kbit/s. The modem Huawei E158 has a slot for a SIM card. Fully compatible with OS Windows/MacOS.Huawei E158 Modem supplied by MTN  or Airtel comes locked to one network.You can unlock it to use it with any sim such as Tigo or Vodafone .

What You will Need

  1. Firmware update sofware
  2. Universal Master Code Writer
These two software plus Huawei modem connect software can be downloaded here.

Download Huawei E158 Firmware Update(MTS)

Download Universal Master Code Writer
 
Download

Method of Unlocking :-

  • Download and extract the zip files from the links above.
  • Insert your modem into the USB Port of your computer.
  • Make sure no program is using the modem.
  • Open Huawei e158 update folder and double click on (E158Update_11.609.18.01.158.B427)
  • Accept the terms and conditions for e158 updater and click Next
  • The e158 firmware updater window will now start searching for device.
  • When you click next after a device has been detected a warning window  appears.
  • If you are prompted to enter a password, start the huawei modem unlocker
  • Type in the IMEI number of your e 158 modem and click generate
  • You will get two codes in the box one is unlock code and the other is flash code.
  • Copy the 8 digit flash code, marked with red ellipse, this 8 digit flash code is the password for the e 158 updater.
  • Now you can enter this password and and update your firmware to an unlocked version.
If the updater does not ask for a password, you may be asked to enter unlock code if you try to connect to the internet later. Use the unlock code, marked with green ellipse.
Enjoy.
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