How to unlock Huawei E355 Data Card (O2 Ireland)?
1. Download Huawei E355 O2 (Ireland) 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.
3. Now connect the modem to PC or laptop.
4. Let it launch the software of the modem.
5. Close the software of 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 “Unlock Code(6-8 digits):” box and click on 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 new algorithm security and can not be unlocked with old algorithm security unlock code. If you will try with wrong codes then your modem will be locked permanently.