With the help of this post, you can unlock all supported E5577 models with the “s” suffix (Like E5577s-301, E5577-321, and so on). However, this method will not work with the Bolt E5577Cs-603 Indonesian router.
Download the following required files which will be used in the unlocking of Huawei E5577:
- Huawei Firmware E5577s-603 Update 21.200.05.00.00 (Universal)
- Firmware Update Huawei E5577s-321 21.180.99.03.00 (General)
- Latest Huawei Mobile Partner for drivers
- Universal Master Code Tool to generate firmware code, or you can also leave a comment.
How to unlock Huawei E5577 mobile WiFi router?
1. Install a Huawei mobile partner.
2. Use the universal master code tool to generate firmware code through the 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 for a password and input the firmware code you have already got in Step 2.
7. Wait till the 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 ask you about the generated hash code. Accordingly, the NCK / unlock code will be generated for your E5577 device and will be emailed to 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.