Sergeymkl and fr3nsis reversed the Heawei firmware finally found a way to calculate the factory code from IMEI. Thanks for them for their hard work.
So now, you can get the factory code for Huawei or Vodafone 3G modem, absolutely free by online code calculator just with the IMEI of your modem.
Supported Models – Huawei
E156, E155, E1550, E1552, E156G, E160, E160G, E161, E166, E169, E169G, E170,E172 E176, E1762, E180, E182E, E196, E226, E270, E271, E272, E510, E612, E618, E620, E630 E630+, E660, E660A, E800, E870, E880, EG162, E880, EG162, EG162G, EG602, EG602G
Vodafone Models
K2540, K3515, K3520, K3565, K3520, K3565
How to:
Calculate unlock and flash codes via online calculator, we have uploaded one here
https://www.wintechmobiles.com/tools/huawei-code-calculator/
To enter code in USB 3G Modem, just follow these instructions :
Method 1 (little bit hard, something techie skip this if you want an easy way):
1) open Hyperterminal
2) you must set com port on modem (Huawei Mobile Connect – 3G Modem)
3) type following command : AT^CARDLOCK=”<you unlock code>”
4) Validate by pressing Enter.
Method 2: you can use this software who do the same job easier :

Data card unlocker is a simple programe to write unlock codes to Huawei USB Modems. I personally prefer this tool for it’s simple interface. Size : 26KB Tested and suggesting for simple use.
Download 25.2 KBModem will be unlocked instantly. Any feedback or error report can be sent via comment.
Instruction on how to enter huawei modem unlock code and detail step by step guide visit this page https://www.wintechmobiles.com/unlocking/huawei-modem-unlock-by-code-do-it-yourself-free/
Instruction on how to enter huawei modem unlock code and detail step by step guide visit this page https://www.wintechmobiles.com/unlocking/huawei-modem-unlock-by-code-do-it-yourself-free/
pls,i need an unlock code for my HUAWEI,Model:E173u-2, IMEI:869878000450147, S/N:ADA4CA1161101844, Airtel.
Can You please help me unlock HUAWEI E3131A IMEI 865456010845947.
bon jour
I have an etisalat dongle, model E372u-8, by Huawei technologies co ltd. I hv tried to unlock it using Huawei unlocker.v1 bt its not working. is there anyone who can help me unlocking it? IMEI:353147043113572, FCC ID: QISE372U-8, S/N: 7WA7NA1252301932
Anyst Nysty
I have an etisalat dongle, model E372u-8, by Huawei technologies co ltd. I hv tried to unlock it using Huawei unlocker.v1 bt its not working. is there any1 who can help me unlocking it? IMEI:353147043113572, FCC ID: QISE372U-8, S/N: 7WA7NA1252301932
hello, some modems do not give/show an unlock code dialod box when you put in a foreign sim. In this case, how do you unlock them if you have an unlock code? how to upload?
please help me unlock my modem. Huawei IMEI;353474023589153.
hey can you help me unlock my huawei g7010? the imei number is 353915048631172 thank you
pls help my modem is locked forever..how can i unlock it
IMEI:867648015122698
huawei e303
pls help my modem is locked forever..how can I unlock it IMEI:867648015122698 huawei e303.
aider moi a deboquer mon huawei e303 mon imei: est :866452011999246 svp aider moi
Modem model e153u-1 IMEI-869604001893816-Pls help me to unlock
Unlock this my Huawei mobile broadband,model E156G,LDPA USB Stick…IMEI 359479031213559 WITH serial number GF 4CAA1061705255 ….ORIGINAL MOBILE CARRIER glo NIGERIA
thanks to all thus who made this possible.
its helping me a lot please I wish to learn the unlock algorithm.
I have followed the instructions as indicated but when I put in another sim card it still tells me not a valid sim card after it has already open the modem,
and by the way my IMEI number is 352097049614746.
please help me unlock model k3565-z imei353462042176144.
HUAWEI E3131AS-2
JE VOU
CODE HUAWEI E3131AS-2
JE VOU.
CODE HUAWEI E3131AS-2 865456012923353.
Hello Guys…Please help me unlock my Huawei 3g modem E372U..IMEI: 353147042608366.
how to unlock huawei modems.
Hi Dear,
I got after calculation…
Calculated Codes
IMEI : 354638041788869
Unlock : 62340303
Flash : 42506309
But there is eror open port eror.
Please inform me what should i do?
Please help me to unlock the huawei modem e303d IMEI : 860369011107453.
Please mail me the unlock code on of my Idea Net setter e303d IMEI Number : 860369011107453.
Will be very thankful to you. Please mail me… Thanks in advance…
Please help me to unlock my huawei mobile broadband E176G Revision: 11.104.20.00.00.
IMEI : 357267022885184.
Unlock : 62609116.
Flash : 38131520.
Manufacturer: huawei
Model: E303S
IMEI: 867648016706168
Model : E303S.
Firmware Version : 21.157.31.00.850.
:
IMEI :867648016706168
Plz provide code for unlock.
Bro Bless Oo…. please help me unlock my modem. Huawei 173 IMEI:868402005903934.
am ready to unlock ur modem for u pls txt me ur IMEI
IMEI:867648010423646
PLS.i wan my modem to be unlocked by some one this is my,
IMEI:867648010423646
thanks.
my huawaei modem model number is E173cs-1. imei 863791011235009 S/D6GBYA926190288 PLEASE SEND ME UNLOCK CODE
..plz help me to unllock my Huawei model E153.. IMEI356342042306148..plz help me..inid to improve my internet..so slow..
tnx…
imei 868988011859748.
plzz hlp me with the unlock code.
Please help me to unlock the huawei modem IMEI 860453021094453
I have huawei e3131 please help with unlock code.
pls. this is my email:address in cased you want to help me by sending through my mail, i have try to unlocked my
modem is not responding’this is my imei number:867648010423646 thanks
Please help to unlock~
E1550
IMEI: 352965044011631
Million thanks!!!
Hello, IMEI 352965044011631
E1550
Thanks!!!
I WANT NCK CODE FOR MOBILY IMEI NO IS 358950021089515
MODEL NO WM71
VERY GOOD
please, help. huawei E173u-1 emei is 860015013162133.
please help me to unlock my modem
imei: 353143039061016
new algo: 55877504
unlock code: 61125330
flash code: 45239961
Manufacturer: hauwei
model: e1552
revision: 11.608.13.10.158
imei:353143039061016
imsi: 515031407634018
serial number: y95taa19b2405034
hw. ver: cd6atcpu
please, help. huawei Airtel E173 Bu-1 emei is 354369046220969….how to unlock this model?………….
hi. I tried but I couldn’t.
my model is huawei 4G E587U
Version du logiciel: 11.203.27.02.711
version du matériel : CP2E587M
Nom de l’appareil : E587
IMEI: 355898041329960
locked by Videotron
Please help me !
I have a modem etisalat ican noy unlock
Please help to unlock
huawei E173u-2
IMEI : 863448010692009