Huawei E5577s-321 & E5577Cs-321 Unlock Without Paid Tools by Askar

Requirements to Unlock Huawei E5577s & E5577Cs MiFi Routers

Mobile Partner Here

E5577s-321 Download Here

E5577Cs-321 Download Here

Balong Tool & USBloader Here 

DC Unlocker Here

Universal Master Code Tool Here

How to Unlock Huawei E5577s & E5577Cs MiFi Routers?

1.Download & Extract above Files

2.Install Latest Mobile Partner

3.Touch the boot pin and ground of the board from any tweezer / wire & Connect the Router to PC

Note : Before Touch Boot Pin Kindly Remove Your LCD & Connect After Flash Loader Bin To Avoid White LCD After Unlock
Make Sure Which Firmware Version Is Your Router Before Unlock





4.Run “Balong USB Downloader” tool.



1.Click on Detect button.

2.It will detect COM port of your device as Boot_3G.

3.Under Loader, locate the E5577s_Usbloader.bin file.& click on Load.

4.Wait till progress bar reach at the end & Close the “USB Balong” tool.Now you can see two COM ports under device manager.



5.Open universal master code tool to generate firmware code through Huawei tab &
enter imei number in the calculator and click calculate
now copy flash code and send following command via DC Unlocker (If Need)

AT^DATALOCK=47862638

now it should reply with OK


6.Unzip the file Huawei E5577s-321 Firmware version 21.180.99.03.00 and run it.

Unzip the file Huawei E5577Cs-321 Firmware version 21.180.99.04.00 and run it.

7.Let it successfully update the device. & It will stuck in FTM Mode (No Worry about it)

8.Now run the DC Unlocker tool & Detect your device under it.

selection :manufacturer - Huawei modems
model - Huawei E5577 (untested)


Selected Applications port COM19


Found modem        : E5577Cs-321
Model              : Huawei E5577 (untested)
IMEI                : 0000000000000000
Serial NR.          : 0123456789ABCDEF
Firmware            : 21.180.99.04.00
Compile date / time : Jun 12 2015 19:09:24
Hardware ver.      : CL1E5573SM11
Dashboard version  : 00.00.00.000.00
SIM Lock status    : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)


9.Now Device unlocked and imei become 00000 & Have to restore it's original imei by folllowing steps

1.Detect with DC unlocker again & run this command via DC unlocker



2.AT^CIMEI="867262027232592" Press Enter now it should reply with OK
(Enter Your Original IMEI Here)

selection :manufacturer - Huawei modems
model - Huawei E5577 (untested)


Selected Applications port COM19


Found modem        : E5577Cs-321
Model              : Huawei E5577 (untested)
IMEI                : 867262027232592
Serial NR.          : 0123456789ABCDEF
Firmware            : 21.180.99.04.00
Compile date / time : Jun 12 2015 19:09:24
Hardware ver.      : CL1E5573SM11
Dashboard version  : 00.00.00.000.00
SIM Lock status    : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

10.Finally Update with

Huawei E5577s-321 Firmware version E5577s-321TCPU-V200R001B328D01SP00C00

Huawei E5577Cs-321 Firmware version E5577s-321_Update_21.316.01.00.00



Now Your MiFi Router is Unlocked



Credits Team GsmDevelopers

Password for zip:  GsmDevelopersE5577