Germany Telecom is selling Huawei E5577cs-321 in locked status. If your E5577Cs-321 has the firmware version 21.328.62.00.55 or less then this post is for you. After going through this post you can unlock your E5577Cs-321 German Telecom router easily without going through any hassle of dismantling the router. The process which we are going to share today will unlock your router without opening the screws.

Unlock E5777Cs-321 German Telecom Router

How to unlock E5777Cs-321 German Telecom 4G Router

Download and Install Drivers from here. If you are facing problems with driver installation follow this link.

Phase I:

Download  German Telecom e5577Cs-321 Unlock App and open it. Go to User Login (Default username and password is unlockmyrouter).

Unlock E5777Cs-321 German Telecom Router

After successful login, Click on “Auto Detect Device”, your device information will get displayed.

Note: If you get the message connection failed or login failed, Download this file, extract and run it. It will enable the Com-Ports and will open Device Manager, check if there are two Com ports. If the ports are present, Click Login/AutoDetect. If you can’t see two ports, you have to fix the driver issue.

Unlock E5777Cs-321 German Telecom Router

After successful detection, Choose Flash Firmware and click the submit button. It will ask you to enter a code. Type the code here, which you have received after the payment and click OK.

Unlock E5777Cs-321 German Telecom Router

Your device will restart and the E5577Cs-321 screen will look similar to the one given below.

Unlock E5777Cs-321 German Telecom Router

Soon the firmware installation process will also start automatically.

Unlock E5777Cs-321 German Telecom Router

Wait for the installation to finish.

Unlock E5777Cs-321 German Telecom Router

Wait for two minutes and in the E5577Cs-321 unlocking APP, choose Unlock Option, Press Submit and enter the code received from us.

Unlock E5777Cs-321 German Telecom Router

Click the OK button after entering the unlock code. You will get the “Unlock Successful” message.

Unlock E5777Cs-321 German Telecom Router

Your E5577Cs-321 router is now unlocked and will work with any SIM card. Restart it to apply the new settings by choosing Restart Device option and click Submit.

Unlock E5777Cs-321 German Telecom Router

Unlock code is not free. You will have to pay 6$ to get the Code for your  E5577Cs-321. Kindly proceed only if you agree to pay the same.

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