How to unlock Huawei E355 Data Card (O2 Ireland)?
1. Download Huawei E355 O2 (Ireland) dongle Unlocker software from the link provided at the end of the article.
2. Now disconnect the internet and change the default SIM with another network provider SIM.
3. Now, connect the modem to a PC or laptop.
4. Let it launch the software of the modem.
5. Close the software of the modem (Huawei Mobile Partner software of O2 brand).
5. Run the downloaded Huawei E355 O2 Ireland modem Unlocker software.
6. Detect your Huawei E355 O2 Ireland dongle into the downloaded software.
7. Now, put 8 digit unlock code in the “Unlock Code(6-8 digits):” box and click on the OK button.
8. Once the device accepts the code, your modem is unlocked forever.
Note: Don’t use any free/wrong codes into Huawei E355 O2 Ireland Modem. It comes with Huawei’s new algorithm security and cannot be unlocked with the old algorithm security unlock code. If you try with the wrong codes, then your modem will be locked permanently.