Zain Saudi Arabia has launched Huawei E5577 sub-model Huawei E5577s-321 with the firmware version 21.200.05.00.375. Unlocking of Zain Huawei E5577 is possible by firmware change. We have even shared the free unlocking of Zain Saudi Arabia Huawei E5577S-321.
Now, Zain Saudi Arabia has upgraded the firmware of Huawei E5577s-321 from 21.200.05.00.375 to 21.327.62.00.375. It is highly secured firmware, and the previous unlocking file will not work on this latest firmware of Huawei E5577. This post will help to unlock this suborn router.
How to Unlock Zain Saudi Arabia Huawei E5577S-321 (Firmware 21.327.62.00.375)?
Step 1. Download the unlocking file of Zain Saudi Arabia Huawei E5577S-321.
Step 2. Run on any Windows PC (32-bit – Win XP, Win 7, or Win 10).
Step 3. The unlocking app of Zain Saudi Arabia E5577S-321 will generate the hardware ID. Copy and keep in a notepad file.
Step 4. Now, pay 10 USD at PayPal. While paying, mention the model with IMEI in the transaction.
Step 5. Our team member will ask for the generated hardware ID.
Step 6. Once the correct details will be received, and they will provide the registration details.
Step 7. Once you are ready with the key, download Huawei’s latest drivers.
Step 8. Unzip using WinRAR software and run the driver setup file.
Step 9. It will install the correct drivers in the background.
Step 10. Now download and run DC unlocker software.
Step 11. Click on Search Magnifying Glass.
Step 12. It will detect your device and show complete details.
Step 13. At the end of the result, in a new line, paste the following:
AT^GODLOAD
Step 14. Press Enter from the keyboard.
Step 15. Wait for 10-second to load the drivers.
Step 16. Now run the Zain Saudi Arabia Huawei E5577S-321 unlocking file, which you have already downloaded.
Step 17. Fill in the registration name and key which you have got from our team.
Step 18. Click Register to start flashing the firmware of your Zain Saudi Arabia Huawei E5577S-321 dongle.
Step 19. Once the firmware flashing is completed, again detect the device in DC-Unlocker software.
Step 20. At the end of the result, paste the following:
AT^NVWREX=8268,0,12,1,0,0,0,2,0,0,0,A,0,0,0
Step 21. Press Enter from the keyboard.
Step 22. A response will come as OK.
Now your Zain Saudi Arabia locked Huawei E5577S-321 (Firmware 21.327.62.00.375) is unlocked permanently to use all SIM cards.
Note: Before running this app, the Zain SIM with any other network provider SIM card. Then only proceed.
