I mean to say that Huawei has launched E303 modem somewhere with un-customized firmware and on some places with customized firmware.
Un-customized firmware can be unlocked directly as you seen in this article also. Download all the software and firmware from the link which is provided at the end of the article. Now run Universal Master code software, go to Huawei tab and generate flash code according to the IMEI for your modem. Now run the download firmware file of Huawei E303 modem and when it asks for password then provide the flash code (which you generated earlier).
Make sure that your huawei modem is detected on your computer.
I see no changes in my system whatsoever, nothing gets installed, I don't get prompted for my PIN, no reaction at all. Just in case anyone else is having this problem, I'll post what I did.
The only thing you need to do with these kinds of modems is to switch it from "Mass storage mode" to "Modem mode".
Universal master code is used to calculate the unlock and Flash codes for Huawei E-173You can also you DC unlocker software to get the unlock code for your modem2. Now enter the IMEI number which you can note down form your device.3. Now the Unlock code and the Flash code will be calculated.4.
Now insert a different Sim like Aircel or Idea or Airtel (Different form the Data card provider)Note : The latest version of airtel 3G modem software will not ask for unlock code when you insert a new sim. ( Search google for ” Latest Mobile Partner software for Huawei modem” ) and install it and run it after you insert a different sim.5.
You will be asked for the unlock code,enter the unlock code to unlock 3G data card.6.
Now download and install Huawei E-173 Firmware (Download latest by searching in Google for Huawei E-173 Firmware ) to update your firmware7.Have you bought a new Airtel Huawei data card ,take a look at the Speed test and the Airtel data plans in MTS review of Airtel 3G Data Card .In this post we will show, how to unlock a 3G Data Card (USB modems) like Huawei E 173, E 1731, Huawei E1732 & E 175, Huawei E153and other models.Firmware is nothing but the program code which contains of the control program for the devices.They may be permanently installed on the device or update able.Huawei E173 3G modem is a new data card launched by huawei recently and here is a list of features you would love to know about E173 and right after that you will get huawei E173 firmware , E173 Driver and Dashboard download link for free.