I have already successfully unlocked Airtel-branded Huawei E5573s-606 router. We are also offering unlocked E5573 router in cheap rates. But, in case you want to lock your router again, and don’t want to further use any another network provider SIM card in E5573 then we have original firmware too.

After running this firmware (link below the post), your E5573 router will be successfully locked again as brand new. This firmware is tested with one device and working fine.

Huawei E5573

While running the firmware, the device will ask you firmware code, leave a comment below with model and IMEI to get the firmware password.

How to lock Airtel E5573S-606 Huawei router with original firmware?

  1. Download original firmware of Airtel India E5573 mobile WiFi router.

2. Connect your device with Windows PC.

3. Disconnect internet (if already connected) and close the browser.

4. Unzip the downloaded file with WinRAR.

5. Run the firmware update (E5573s-606_21.180.17.01.284.exe).

6. Input the password, which you have already got into the comment.

7. Follow screen steps.

8. Wait till finish wizard.

Now, your device is successfully locked again, and you will only able to use Airtel India SIM card.

Download Airtel E5573S-606 Huawei Original Firmware 21.180.17.01.284

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