Recently I had written about Airtel Uganda E3131 3G dongle. Unlocking of Airtel Huawei E355 (E355s) Nigeria 4G modem is also possible in the same manner. Furthermore, you can refer unlocking of Huawei E3131 locked to Hutchison Austria and unlocking of H3G Tre Italy E3131 (E3131S-2) dongle. Airtel Huawei E355 (E355s) Nigeria 3G 4G modem also comes with un-customized firmware and can be unlocked easily.
E355 Wingle

How to Unlock Airtel Huawei E355 (E355s) Nigerian 4G Modem?

1. Download  Airtel Huawei E355 (E355s) Nigeria 3G 4G Modem Dongle unlocker software from the link which is provided at the end of the article.

2. Now disconnect the internet and change the default sim with another network provider sim (another than Airtel SIM in Airtel Huawei E355 (E355s) Nigerian 4G dongle).

3. Now connect the modem to PC or laptop.

4. Now let it launch the software of the modem.

5. Now close the software of modem (Huawei Mobile Partner software of Airtel brand).

6. Now run the downloaded Huawei E355s (Airtel Nigeria) 4G data card unlocker software.

7. Now detect your Airtel E355s dongle into the downloaded software.

8. Now put 8 digit unlock code in “Unlock Code(6-8 digits):” box and click on OK button.

9. Now your modem is unlocked forever.

Note: Don’t use any free or wrong codes into Airtel Huawei E355 (E355s) Nigeria 4G Modem dongle. It comes with Huawei new algorithm security. It can not be unlocked with old algorithm security unlock code. If you will try with wrong codes then your modem will be locked permanently. Either purchase through any server or pay 2.38 USD through PayPal and mention model with IMEI in the transaction. Correct code will be emailed.

Note : I provides the Huawei wifi mifi routers / gateway unlock codes also in cheap rates.

Download Airtel Huawei E355 (E355s) Nigeria 4G Modem unlocker software

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