Earlier we have informed about Orange France is offering make E8377 CarFi 4G wingle for €95.81. Now, we have come with a unlocking solution, however, we have personally not tested it, so proceed it at your own risk. It may crash your device and will be useless. Unlocking is involved with two firmware files, so keep patience for at least 1 hrs, while proceeding with steps.

Download the following required files first:

  1. Huawei E8377s-153 Firmware General
  2. Huawei E8377s-153 Firmware 21.300.01.00.00 Universal
  3. FcSerialDrv
  4. Huawei mobile partner (latest version)
  5. DC Unlocker

How to unlock Huawei E8377 CarFi 4G

  1. Install FcSerialDrv, Huawei mobile partner and DC unlocker in PC.
  2. Connect device with USB cable to Windows PC (for better experience use Windows XP).
  3. Now, run extract Huawei E8377s-153 Firmware v21. using any unzipping tool.
  4. Now, run the firmware update.
  5. Proceed with screen.
  6. It will ask you firmware code (Comment below with model and IMEI to get the firmware code).
  7. Input the firmware code in Password windows.
  8. Wait till the firmware finish.
  9. Now, run DC unlocker and detect the device under it.
  10. At the end of the result paste the following command:

“AT^NVRDEX=50503,0,128” (without quotes) and press enter from the keyboard.

11. Now, it will show some NV commands in hash formats.

12. Copy everything and paste in a notepad.

13. Mail the details in kamlesh2011@gmail.com. After getting the unlocking charge unlock code / NCK will be emailed back.

Note : If device WiFi is stopped working after firmware change, then update with Huawei E8377s-153 Firmware 21.300.01.00.00 Universal. The device will start working normal.

14. Now, change the SIM and connect to PC.

15. Login into the device with admin / admin details.

16. It will redirect you unlocking page.

17. Enter the code which I mail you.

18. Now your Huawei E8377 will be unlocked forever to use any another network provider SIM as well as default SIM.

Note : Unlock code is not free, its charge is only 6 USD. You can pay through PayPal button and mention the model and IMEI in transactions. Unlock / NCK code will be delivered within 8 hrs.

You might be also interested in unlocking and firmware file of Huawei E5878.