Telenor network of Bulgaria has also launched E5577Cs-321 with the firmware version 21.328.62.00.250 and WebUI 17.100.19.00.250. It has the high security did not allow to change the firmware. We have developed a special app which can unlock Telenor E5577Cs-321 router and the same APP can be used to unlock the router having firmware version 21.316.01.00.250 and WebUI 17.100.13.01.250. The method used to unlock E5577Cs-321 is safe and device Data (NVRAM) will not get deleted.
How to unlock Telenor Bulgaria E5577Cs-321 – 21.328.62.00.250
Download Telenor 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 from unlockmyrouter.com and click OK.
Your E5577Cs-321 routerwill restart and the firmware installation process will start automatically.
Wait for the installation to finish.
Your Telenor 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 code is not free. You will have to pay 6 USD to get the App Code. Kindly proceed only if you agree to pay the same.