How to Unlock Huawei e303 and Zte mf631 Modems for Free

USB internet modems is the easiest method to connect to the internet even in rural locations. A high-speed data access in now a possibility with USB modems.

Most mobile telecommunication network providers usually lock their modems to a particular network making the flexibility that comes with USB internet modems impossible.

In this tutorial, I’ll teach you how to unlock Huawei modems and zte modems for free. You’ll learn how to Unlock Huawei e303 and best method to unlock Zte mf631 modem for free.

How to Unlock Huawei Modems

This tutorial is targeted at unlocking Huawei e303 modem and Zte mf631 modem using the best methods.

If you are looking for free utilities to unlock just any Huawei or ZTE modem do visit the links below or read on for tips for unlocking Huawei e303 and Zte mf631 modems.

How to Unlock all ZTE Modems

Many have considered the Etislat easyblaze zte modem mf631, zte mf180 ,zte mf190 and some other stubborn mtn, glo and airtel Nigeria zte mf series model a difficult to crack modem.

Hence the need for creating this tutorial on how to decode or crack the so-called unlock-able brands of modem. Now I will guide you on how to unlock these ZTE USB Modems free.

This tweak has been so known for long and so should be the easiest thing to do, with this software trick you can unlock your ZTE modem in less than 10 minutes by completing really easy steps.

unlock stubborn zte modem free


  •  Download the special DCcrap for this free ZTE modem unlocking from this link
  • Connect your modem with an unsupported network SIM inside
  • Extract the content of the winrar to a folder on your pc
  • Lunch the modem support application make sure that the SIM in your modem is the one that your modem service provider does not support
  • Your modem support application will prompt you to put in the unlock code, just ignore this warning and close the software window
  • Then lunch the suit/software , choose zte datacards in the drop down menu and leave the second option at auto-detect
  • Click the search icon to search for your device, forget the name not found (or name not listed), at least the IMEI will be listed for you telling you that the device is currently locked
  • On the top right menu locate unlocking , click on unblock, unblock successful is next message you will see
  • Hurray! Your zte modem is now unlocked
  • Launch the modem support application again to configure APN and use your device.


Must read : A web review of tecno n7 , Gionee Infinity & Infinix X450 Android Phones

How to Unlock Huawei E303 & Airtel Huawei E173 USB Modems

a) Download the latest version of Dc-unlocker software from the here

b) Purchase Dc-unlocker username and password from this link

c) Insert and install your modem software on your computer allowing all the necessary drivers to install fully

d) Insert another Network provider SIM on the modem, when it popup request for unlock code click “Cancel” and close the modem interface.

e) Launch the Dc-unlocker software you’ve already downloaded in step a above and click on “Automatic detect” button, wait for some seconds it will show your device details.

After that click on server -> insert the username and password with credit you bought from Dc-unlocker website or dealers

F) Click on Check Login to know the amount of credit on the account and to know if the username and password is valid.

g) Now click on Unlocking -> Do the job.

It will connect online and unlock your modem within few seconds.

4 credits will be deducted for huawei e303 modem while 7 credits will be deducted for Airtel Huawei e173 modem or any order modem with a customized firmware

Now you can configure your zte modem’s APN to work with other networks following the dashboard option as seen below

Unlock all huawei e303 modem  guide 2013

Think you need more explanation or questions?

Use the feedback box below.


  1. Thanks very much it work me. Its was very fast and easy. I had actually spent hours online sourcing for info on this. Glad to get it done here. Hope to vist your blog regularly for more info and updates

  2. Obasi Miracle, i need a 9ja contact i can buy dc unlocker credit for this particular version: dc-unlocker_client-1.00.0884????????????. . . you are doing great. thanks.

    • you can always try a friend of mine who does reseller service for dc-unlocker , you can pay for your dc-unlocker credit with liberty reserve , atm card or bank deposit . His prices are fair too …..

      N/B I’m not in any way affiliated to him , neither do I recommend him that much , just that every other persons I had refereed to him always has good things to say about his quick service delivery , one even told me he offered him the credit before he ever paid him a dime .

  3. please if you do not mind, i also need that your dc reseller contact too, i need to purchase dc credits to unlock my mtn e303 modem. thanks.

    • If it is an mtn huawei e303 modem it will cost you only 4 dc-unlocker credit (N800) , while that of airtel and etisalat gaga (huawei u8180) will cost you 7 dc-unlocker credit (N1,750). As for the re-seller contact I have sent you a mail

  4. Thanks for dropping by Charles, do you mind sharing more details on how this your dc-unlocker works and the rank of modems it can unlock . eg. will it unlock glo Nigeria huawei e303 modem , globacomm Nigeria huawei bolt modem , Airtel Nigeria Huawei 173u-2 modem etc.

  5. Boss I have just posted new tips on how to crack, decode or unlock those stubborn mtn, airtel, glo and etisalat new algorithm huawei e303 modem without even using a computer. I did mine from my phone

  6. ma guy, u re awesome…..
    Keep on the hardwork, and there ll be hope for Africa…..
    Thanks ma man… Hope we ll keep in touch….
    I rep GH….

  7. Pls guys help me to unlock my hauwei modem e303s-1, my imei 868988010838560.

    I have tried code calculator but the code given to me doesn’t work.

  8. Its realy nice been here, nd im so glad ma prob cud be solved now
    please Mr obasi, kindly assisst me in unlockin ma mtn modem. Av been tryin it online buh cudnt get it don…huawei E303..IME 861862009978629
    please, if don plz kindly inbox me nd ,i will so appreciation…08170202924

  9. Hi Obasi, thumbs up for all ur effort. Can u help me do the unlocking of my e303. Heres my number 08067410078. Pls send me a msg lets talk.

  10. hi obasi,i really commend your work here,i have this e303 moderm,i have tried the above mention method but the bad side is that i dont have paypal account.please i really need your help-08030920806 thanks

  11. hi i have this modem e303 glo i really want to break it but i cant e en do i download dc crap from your site when i am about to install it it was password. please i need your help, i does not use to require passwrd. 07030793776

  12. Hi there Obadiah,juat on the quest to unlock my glo hi link 303s-1 and stumbled on this blog.I must say,have seen some pretty genuine confirmations.Well,I have been to the dc unlocking site but I don’t have the necessary requirement to meet up to their system of payment.I have the money here with me though…I was hoping if u could help

    • What network is it locked to and does it request for an unlock code when you insert an unsupported network sim card to it?

  13. my 9mobile easyblaze modem says card not detected even when i put the unsupported sim card and use the DC crap as directed. The unblock icon is not highlighted, please help. thanks.

  14. please tell me where and to purchase credit on the dc unlocker and also tutorials on how to use the dc unlocker.
    thank you

  15. please tell me where and to purchase credit on the dc unlocker and also tutorials on how to use the dc unlocker.
    thank you

  16. Etisalat easylife modem
    IMEI: 354594032210217
    collected it from a friend there was only to attempts remaining tried using Universal MasterC but said incorrect.
    Then it starts asking for RCK code

  17. Pls, help me to purchase CREDIT TO FUND my dc-unlocker account. I find it difficult to meet their payment options. I have a Master Card which i can use but their payment options like Paypal etc are not available for me.
    If there is a way out with my Master Card, let me know.
    my phone no is 08/0335/26713 to which you can connect me on WhatsApp.


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