Recently I had written about unlocking Airtel Uganda E3131 4G modem. Unlocking of Moldova Huawei E398 Orange dongle is also possible using the same procedure. Further, you can also refer to the unlocking of Huawei E3131 locked to Hutchison Austria modem. Moldova Huawei E398 Orange data-card comes with un-customized firmware and can be unlocked easily using unlock code.

How to Unlock Moldova Huawei E398 Orange dongle?
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Download Moldova Huawei E398 Orange Modem Dongle Unlocker software from the download link which is provided at the end of the article.
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Now disconnect the internet and change the default SIM with another network provider SIM (other than Orange network SIM in Moldova Huawei E398 Orange Modem).
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Now connect the modem to a PC or laptop.
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Let it launch the software of the modem.
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Now it will ask you for the unlock code.
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Just put the unlock code in the Moldova Huawei E398 Orange dongle and it will be unlocked forever.
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If it is not asking for an unlocking code, then proceed to the next step.
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Close the software of the modem.
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Run the downloaded Huawei E398 (E398u-11 & Huawei E398s-81) Unlocker software.
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Detect the Huawei E398 (E398u-11 & Huawei E398s-81) into the downloaded software.
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Now put 8 digit unlock code in the “Unlock Code(6-8 digits):” box and click on the OK button.
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Now your modem is unlocked forever.
Note: Don’t use any wrong codes into Moldova Huawei E398 Orange Modem. It comes with Huawei’s new algorithm security. Moldova Huawei E398 Orange Modem Dongle cannot be unlocked with the old algorithm security unlock code. If you will try with the wrong codes, then your modem will be locked permanently.