How to Unlock Vodafone ZTE K3770z

First you need to Download 2 files. Download both files from the links given below.

https://fileice.net/download.php?file=3lc1a
https://www.4shared.com/rar/p4v1y3KL/K3770z_Unlock_file.html

After Downloading the above files, Extract it and keep it on your Desktop

Steps For Flashing Vodafone ZTE K37700z
• Plug in K3770z Dongle into USB port
• Let the modem install original software with drivers
• check in device manager for all installed ports
• Now uninstall the original vodafone software
• Open K3770z downloader_original.exe, Which you downloaded
• Ignore any errors wait till downloader detects port and modem version
• Click on software version
• Browse to K3770z Unlock_file folder
• Click the big arrow button next to version info window
• Flashing will be started in a Second
• After The Flashing is complted it will say “Flashed Successfully”

• Now remove the Dongle and insert it again

Thats All! Vodafone ZTE k3770z is Unlocked

Note: Never close the tool when download procedure is running,
such operations maybe seriously damage the card permanently