With the help of this post, you can unlock all supported E5577 models with “s” suffix (Like E5577s-301, E5577-321 and so on). However, this method will not work with Bolt E5577Cs-603 Indonesian router.

Download the following required files which will be used in the unlocking of Huawei E5577:

  1. Huawei Firmware E5577s-603 Update 21.200.05.00.00 (Universal)
  2. Firmware Update Huawei E5577s-321 21.180.99.03.00 (General)
  3. Latest Huawei Mobile Partner for drivers
  4. Universal Master Code Tool to generate firmware code or you can also leave comment
  5. DC unlocker

How to unlock Huawei E5577 mobile WiFi router?

  1. Install Huawei mobile partner.

2. Use universal master code tool to generate firmware code through Huawei tab or comment below to get the firmware code/password.

3. Reset the Huawei E5577 and connect to Windows PC with its default data / USB cable.

4. Run firmware update version 21.180.99.03.00.

5. It will put your device in download mode and detect your device.

6. Now the E5577 router will ask you password, input the firmware code which you have already got in Step 2.

7. Wait till finish wizard.

8. Now install DC unlocker.

9. Detect your Huawei E5577 router under it.

10. Copy and paste the below command at the end of the result:

“AT^NVRDEX=50503,0,128” (without quotes) and press Enter from the keyboard.

11. It will generate some NV codes in hash format.

12. Copy all the details then pay 6 USD through PayPal. Once paid, you can leave a comment or I will contact you through email and will ask you about generated hash code. Accordingly, NCK / unlock code will be generated for your E5577 device and will be emailed you back.

Note: Once you receive the unlock code, update the device with Huawei E5577 Firmware 21.200.05.00.00; which you have already downloaded.

Update:

  1. Huawei E5577s-932 Unlocker
  2. STC E5577s-932 Unlocker
  3. Mobily E5577s-932 Unlocker

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