then use this alternate unlocking method Boot Short Method to Unlock Any Latest Huawei Modem/Router of Algo V4.

* While changing firmware, if your device is creating error code: 13, error code: 17, error code: 19, etc.

* If you are getting “Error Code 10: Find port failed” while installing firmware then install BOS Solution by double click on registry file and restart your computer.

* If you are unable to detect your device in dc-unlocker then Install Huawei serial COM ports drivers or install Latest Huawei Drivers or Huawei Mobile Partner.

* Make sure you have Power Backup to complete the flashing process, if power failure during flashing, your device may be bricked/damaged.

It can accept any sim cards from any Mobile Carrier Worldwide. Enter received Unlock Code / NCK into device (via web-interface), click apply and enjoy.Ĭongratulations! Now it’s free!. Its the time, your device is ready to accept unlock code.Ħ. Now install Universal Upgrade Firmware (21.318.09.xx.xxx). Upon successful submission you will immediately receive a confirmation email.Īfter few minutes/ hours, you will receive an email from containing Unlock C ode/ NCK (Network Control Key) for your device.ĥ. After you fill all fields, press “Submit” button. After this, now you will need to fill Data Submission Formto get unlock code. Go at the end of the result and execute AT-command AT^NVRDEX=50503,0,128 by hitting enter key from keyboard, its result will be as shown in image:Ĥ. Now you need to have your modem’s NVRAM data which is required to get unlock code.ĭetect your device in DC-Unlocker, it will show complete information of your device. It will ask for password, just put Flash Code from step #1.ģ. In the first step get the Firmware Flash Code by just entering the IMEI of your device, it will be used as password while changing the firmware in step 2.Ģ. Now connect your device directly in USB port of your PC and install Universal Downgrade Firmware (21.318.99.xx.xxx).

Huawei e5577 unlock code calculator