How to Unlock Customized Airtel’s Huawei E5573s-606 Mobile WiFi Router

Airtel India has recently launched a new Huawei‘s Mobile WiFi router, the E5573s-606 (Huawei E5573). It comes with customized firmware and there is no option to enter the unlock code. When you will change the default SIM card of Airtel with any other network, then it will show already used 10 codes and attempts to try is 0.

Airtel’s Huawei E5573s-606 mobile WiFi router can be unlocked after the firmware upgrade.

Before proceeding with firmware upgrade, download the following required files :
2. Get Huawei Code Reader from here
3. Huawei Hi-link drivers  V4 and V5
4. Get Flash Code using IMEI from here

How to Unlock Customized Airtel’s Huawei E5573s-606 Mobile WiFi Router :

1. Connect your Huawei E5573s-606 router to pc or laptop via USB cable.

2. Make sure that your router is charged at-least 50%.

3. Extract the zip file Huawei_E5573s-606_Firmware_21.110.99.03.00_general and run P711S-E5 update_21.110.99.03.00.exe.

4. It will ask a password. Use firmware code as password.

5. Input the correct firmware code and wait till finish process.

6. After successful flashing.

7. Run as a Admin Huawei_2015_Code_Reader.7z

8. Select PC UI port

9. Detect

10. Conect

11. And Last press process

12. Take a Screen Shot like this


13. Now Write your IMEI, Hash1, Hash2, Encrypted block in a tex file and Attach File in Email including Screenshot and text file 
Sent it to msasofty@gmail.com you will get your v4 unlock code free of cost.

14. After Getting information from Router Install Huawei_E5573s-320_Firmware_21.180.17.00.00_general.7z

15. Here, you will see, you device have 10 unlocking attempts left.

16. And wait for Unlock Code. ( Note. Don’t try to enter any wrong unlock code into router, otherwise it will be locked permanently )

17. After you get Unlock Code.

18. Just enter that Unlock Code in a router and your router will be unlocked.