ZTE MF627 ask for PIN but never connects

[Filipe Carvalho]

When I plug the USB dongle, after some time is asks for the PIN and nothing happens, neither a connection to network, neither a message.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: modemmanager 0.5-1ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Thu Oct 20 21:07:56 2011
ExecutablePath: /usr/sbin/modem-manager
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
ProcEnviron:

SourcePackage: modemmanager
UpgradeStatus: Upgraded to oneiric on 2011-09-09 (40 days ago)

[Filipe Carvalho (filipe-f-carvalho)]

After following this instructions this is link https://wiki.ubuntu.com/DebuggingModemmanager and the output of mm-test.py an

# python ./mm-test.py
GSM modem
Driver: 'option1'
Modem device: '/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1'
Data device: 'ttyUSB2'
Vendor: ZTE INCORPORATED
Model: MF627
Version: BD_ZONP673A4V1.0.0B01
IMEI: <private>
IMSI: <private>
Signal quality: 58
Scanning...
vodafone P: available (GSM)
vodafone P: current (UMTS)
Telecomunicacoes Moveis Nacionais S.A: forbidden (GSM)
Telecomunicacoes Moveis Nacionais S.A: forbidden (UMTS)

And the other two files started by zte_