How to Unlock the Huawei B890 4G LTE Smart Hub

Method Number 1:

1. Turn on your mobile with a SIM card not accepted,
2. Your mobile shows you NCK or SOS or Power,
3. Select NCK on, and enter your Unlock Code,
4. Confirm with OK.

Method Number 2 (for Modem)

1) open Hyperterminal : C:Program FilesWindows NT (should be there)
2) you must set com port on modem (Huawei Mobile Connect - 3G Modem)
3) type following command : AT^CARDLOCK="<you unlock code>"
4) Validate by pressing Enter.

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