Huawei E220 Error code 278

[geto-dak]

DC - Unlocker 2 Client 1.00.1429

Detecting modem :

selection :
manufacturer - Huawei modems
model - Auto detect (recommended)

Found Applications port COM130

Found modem         : E220
Model               : Huawei E220
IMEI                : 356635024464086
Firmware            : 11.117.09.04.00
Hardware ver.       : CD33TCPU
SIM Lock status     : Locked (Card Lock)

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Unlocking, please wait ... 

Please define proper COM port, or select autodetect!

Error code 278

Please upgrade firmware to version 11.116.05.02.11 or newer

unlock failed !

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What is wrong?

[Valdemaras]

Try reconnecting device to another usb port on pc, do not user usb hubs. If it has any dashboard software on pc make sure it is fully closed.