How to Unlock Huawei E5577Cs-321 Router (Optimus Portugal)?

Following the Huawei E5 classic design, Huawei E5577 looks like the predecessor models such as E5776, E5372, E5377. The E5577 LTE MiFi is in white or black color. It’s now already available for many network providers in Asia and Europe. As the second generation of LTE category 4 mobile hotspot, we will have a look at what’s improved in the new pocket router.

Optimus carrier of Portugal is offering E5577Cs-321 router which carries WebUI 17.100.11.00.58. It comes with customized firmware and can be unlocked after changing the firmware. Unlocking of Huawei E5577s-321 locked to Zain Saudi Arabia and Viva Bahrain is also supported without boot shot. The firmware of E5577s model works on E5577cs device and unlocking is possible.

How to Unlock Huawei E5577Cs-321 Router (Optimus Portugal)?

• Reset the device and connect to Windows PC using its USB cable.
• Open “My Computer / This PC” and you will find a virtual CD-ROM.
• Open the virtual CD-ROM and install the drivers in your Windows computer.
• Now default IP address of E5577Cs-321 router will be automatically opened.
• If internet is connected then disconnect and close the browser.
• Run the firmware 21.180.99.04.00.
• It will ask you for password.
• Generate flash code from universal master code tool or comment below with model and IMEI to get the firmware code.
• Input the flash or firmware code in firmware update wizard when it will ask you for password.
• Wait till successfully flashing the device.
• Now install Huawei mobile partner in PC.
• Run DC unlocker and detect the device under it.
• When it will show the results of your E5577Cs-321 router, then at the end of the result put the following command:
AT^NVRDEX=50503,0,128
• and press enter from the keyboard.
• You will get the results something like:

“DC – Unlocker 2 Client 1.00.1277

Detecting modem :

selection :
manufacturer – Huawei modems
model – Auto detect (recommended)

Found Applications port COM5

Found modem : E5577Cs-321
Model : Huawei E5577 (untested)
IMEI : 86726202******
Serial NR. : D2L7N15804003633
Firmware : 21.180.99.03.00
Compile date / time : Feb 13 2015 20:39:48
Hardware ver. : CL1E5573SM11
Dashboard version : WEBUI_17.100.11.00.58
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 1 (unlock attempts left : 9)

===================================================================

AT^NVRDEX=50503,0,128

^NVRDEX: 50503,0,128,13 CC 12 D5 9E 13 36 35 99 7C 23 5E F5 7A C5 A9 B7 69 D2 04 5D B7 E1 0F A5 00 08 22 FA F5 90 55 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 E7 D5 F7 2C C5 9B 4F 9F CF 14 2C 5B 80 37 4D E4 C1 70 13 66 CF 79 54 DD B2 25 CA 21 F7 49 63 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OK”

• Copy the whole results and keep in a notepad file.
• Pay 6 USD through PayPal button of this website and mention model and IMEI in the transaction.
• I will contact through email and will ask for NV hash code which you have generated in step 14.
• After getting the NV hash code, it will be converted into unlock / NCK code and will be emailed.

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