Germany Telecom is selling Huawei E5577cs-321 in locked status. If your E5577Cs-321 has the firmware version 21.329.63.01.55 and WebUI 17.100.20.02.55_MRE5 or lower version then this post is for you. After going through this post you can unlock your E5577Cs-321 Deutsche Telekom 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.
How to unlock E5777Cs-321 German Telecom 4G Router
Download German Telecom e5577Cs-321 Unlock App and open it. Go to User Login (Default username and password is unlockmyrouter).
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.
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.
Your device will restart and the E5577Cs-321 screen will look similar to the one given below.
Soon the firmware installation process will also start automatically.
Wait for the installation to finish.
Your E5577Cs-321 router is now unlocked and will work with any SIM card. Wait for two minutes and Restart it to apply the new settings by choosing Restart Device option and click Submit.
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.