Friday, October 28, 2016

Unlock Airtel 4G Mobile Wifi for any SIM Card (Huawei E5573s-606)

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.


  1. P711s-E5_Update_21.
  2. Huawei_E5573s-320_Firmware_21.
  3. Huawei hilink drivers
  4. Universal Master Code
  5. Huawei Calculator New V4
  6. Drivers  v4.25 / v5.01  (if pc not detecting the hotspot)
Note:- Make sure that your router is charged at-least 50%.


  • Connect your Huawei E5573s-606 router to pc or laptop via USB cable.
  • Make sure that your router is charged at-least 50%.
  • Extract the zip file P711s-E5_Update_21. and Open P711s-E5_Update_21.
  • It will ask a password. Use firmware code as password.
  • Then Open Universal Master Code Calculator.
  • Enter Your Airtel wifi hotspot IMEI Number (click here to see how to find out imei in airtel e5573s-606 wifi hotspot)
  • Enter the IMEI no. in Universal Master Code Calculator.
  • Click on Calculate and Copy the Flash code from there and paste where the firmware is asking password.
  • After successful installing the firmware switch off the router or remove the battery and re-insert battery in device and turn it ON.
  • If it is not detected by PC due for drivers problem then update the drivers (You have already downloaded Huawei Hi-link drivers from above).
  • Download DC Unlocker (if you haven't download from above)
  • Extract it and Open DC Unlocker
  • Scan your Modem
  • Enter a Code AT^NVRDEX=50503,0,128 and Press Enter from your Keyboard.
  • Now it will show some nv codes.
  • Now Extract Hauwei Calculator New V4 and Open it.
  • Copy and Paste the Pattern 1 & Pattern 2 in Huawei Calculator New V4 as shown in below screenshots
  • Now again open the Huawei Master Code and See the Unlock Code (where you see flash code)
  • Paste in NCK/OEM Unlock Code
  • Click Calculate Code.
  • After Finishing it will the nck/oem unlock code.
  • Insert non-airtel sim card in your airtel hotspot and insert in your pc/laptop
  • Now extract Huawei_E5573s-320_Firmware_21. and install the firmware. Now you will be enter unlock code.
  • Then 192.168.X.X page will open in browser and asks for SIM LOCK CODE
  • Enter the NCK/OEM Unlock Code in that and Unlock it.
  • That's it now you can use any sim card in your airtel e5573s-606 hotspot.
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