Unlock MTEL (A1) Bulgaria E5577Cs-321

MTEL (A1) Bulgaria is selling E5577Cs-321 router in locked status having firmware version 21.316.01.01.748 and 21.329.63.00.748. After going through this post you can unlock MTEL (A1) Bulgaria E5577Cs-321 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. After the unlock MTEL (A1) Bulgaria E5577Cs-321 router can be used with any the network sim card worldwide.

E5577Cs-321

How to unlock MTEL (A1) Bulgaria E5577Cs-321 – 21.329.63.00.748

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

Download Mtel (A1) E5577Cs-321 Unlock App and open it. Go to User Login (Default username and password is unlockmyrouter).

MTEL Bulgaria E5577Cs-321

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.

MTEL Bulgaria E5577Cs-321

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 from unlockmyrouter.com and click OK.

MTEL Bulgaria E5577Cs-321

Your E5577Cs-321 router will restart and the firmware installation process will start automatically.

MTEL Bulgaria E5577Cs-321

Wait for the installation to finish.

MTEL Bulgaria E5577Cs-321

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.

MTEL Bulgaria E5577Cs-321

Unlock code is not free. You will have to pay 6 USD to get the App Code to unlock MTEL E5577Cs-321 Router. Kindly proceed only if you agree to pay the same.

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