Log from https://github.com/mcphail/linux_huawei_unlocker

unlock.log

pi@raspberrypi:~/unlock/linux_huawei_unlocker $ ./unlocker.py 
********************************************************************************
	Huawei modem unlocker
	By Neil McPhail and dogbert
	This is Free Software as defined by the GNU GENERAL PUBLIC
	LICENSE version 2
********************************************************************************
	This software comes with NO WARRANTY
	This software can damage your hardware
	Use it at your own risk
********************************************************************************
	Not all modems can be unlocked with this software.
	Users have reported problems with the following devices:
		E220, E353
	Attempting to unlock these devices with this software is not
	recommended. I hope to fix this in a later release.
********************************************************************************
If you wish to proceed, please type YES at the prompt
>> YES
Trying to find which port is the active modem connection.
Please be patient as this can take a while.


Testing port /dev/ttyUSB1
	Activity detected


Trying to obtain IMEI.
The modem will be given 5 seconds to respond.
Found probable IMEI: 868757025879608
IMEI checksum OK.
********************************************************************************

	Warning

	Your modem's IMEI begins with '8'
	It is likely to be incompatible with this script
	Proceed at your own risk

	Please provide feedback: see README and HELPME

********************************************************************************

Checking the lock status of the SIM.
The modem will be given 5 seconds to respond.

This SIM should be unlockable...
Remaining attempts:  10
Exceeding this will hard-lock the modem

Unlock code =  45983455
Please be aware that a failed unlocking attempt could break your modem.
This is a risky procedure.
If you wish to proceed, please type YES at the prompt