In Saudi Arabia, you can find Zain locked Huawei E5577s-321 router, while in Bahrain, Viva has launched the same modem. It has also algorithm V4 and carries hardware version CL1E5573SM02, firmware 21.200.05.00.632 & Web UI 17.100.11.01.632. Today, we have successfully unlocked this device.
Before proceeding with steps, download the following required files :-
- Firmware Update Huawei E5577s-321 21.180.99.03.00
- Latest Huawei Mobile Partner
- Universal Master Code Tool to generate firmware code or you can also leave a comment
- Latest DC unlocker app
How to unlock Huawei E5577s-321 Viva mobile WiFi router?
- Change the SIM card and switch on your E5577 modem.
- Connect to Windows PC with USB cable and install the drivers.
- Now, install the latest Huawei mobile partner.
- Generate firmware code according to your IMEI using universal master code tool or leave a comment.
- Now, run the firmware update E5577s-321 21.180.99.03.00.
- It will put your device in download mode and detect your device.
- It will ask you for the password, input the firmware code which you have already generated or got through comment.
- Wait till firmware finish the wizard.
- Now run DC unlocker.
- Detect the Viva E5577s-321 router under it.
- Copy and paste the following command at the end of the result of dc unlocker:
- Press Enter from the keyboard.
- It will generate some NV codes in hash format.
- Copy all the details and same time pay 6 USD through PayPal button of this website. Once paid, I will ask you about hash code through email. NCK / unlock code will be generated accordingly for your Viva E5577s-321 device and will be emailed back.
AT^NVRDEX=50503,0,128
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