VC220-G3u

[DogancanYr]

Description of new feature
I would like the VC220-G3u to be supported

Describe alternatives you've considered
I have tried using --payload xxx but I get the following error

C:\Users\gokic\Desktop\zte-config-utility-master>py examples/decode.py --serial D4B7092D1339 Config. Bin config.xml
Signature:
Traceback (most recent call last):
File "C:\Users\gokic\Desktop\zte-config-utility-master\examples\decode.py", line 109, in
main()
File "C:\Users\gokic\Desktop\zte-config-utility-master\examples\decode.py", line 44, in main.
Payload_type = zcu. ZTE. Read_payload_type(infile)
File "C:\Users\gokic\AppData\Roaming\Python\Python310\site-packages\zcu-0.1.0-py3.10.egg\zcu\zte.py", line 55, in read_payload_type.
File "C:\Users\gokic\AppData\Roaming\Python\Python310\site-packages\zcu-0.1.0-py3.10.egg\zcu\zte.py", line 47, in read_payload.
ValueError: Payload header does not start with the payload magic.