Thursday, January 3, 2013

Upgrade Huawei E303 Firmware to 21.157.31.00.850 to unlock all Huawei E303 Modems

Upgrade Huawei E303 Firmware to 21.157.31.00.850 to unlock all Huawei E303 Modems – Huawei has launched E303  model in various countries, some are directly unlock-able using only Unbranded Huawei mobile partner software, like you can see in this article (Hutch E303 modem unlock solution). I mean to say that Huawei has launched E303 modem somewhere with un-customized firmware and on some places customized firmware. Un-customized firmware can be unlocked directly as you seen in this article also.
But, if your Huawei E303 modem comes with customized firmware then above mentioned link solution will not work for your modem, and your Huawei E303 modem can not be unlocked through normal procedure.
For unlocking Huawei E303 customized firmware modem you need to first flash the modem with un-customized firmware and then you can follow the normal procedure which is available step by step below.

Step by step guide to flash huawei e303 customized firmware :

  • Download all the software / firmware from the link which is provided at the end of the article.
  • Now run Universal Master code software, select Huawei tab and generate flash code for your modem.
  • Now run the download firmware file of Huawei E303 modem and when ask for password / flash code then provide the flash code (which you generated earlier) as your password.
  • Now wait for finish the flash process.
  • Now Close any runing software / dashboard / connection manager.
  • Run the CardLock_Unlock software / tool.
  • Now put your 8 digit unlock code into the unlock code box and click on OK.
  • Now you will get message “Unlock Success”.
Note :- Don’t enter any wrong unlock codes into your Huawei E303 modem, it is a new security code modem and contact on email modemsoftwarefiles@gmail.com to get unlock code in cheap rates only 1.50$.
Download Huawei E303 Firmware Upgrade (Firmware Version 21.157.31.00.850)
Download Universal Master Code Tool
Card Lock Unlock Tool (Password of zip file : unlockmymodem.blogspot.com)
Note :- Huawei Hilink modem firmware starts from 22, don’t try at normal Huawei modem.
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