Full Unlock Solution of Vodafone ZTE K3770-Z 3G Modem Free – Vodafone has launched in India ZTE K3770z broadband modem in India. I had already provided the unlocking solution. But, after unlocking Vodafone ZTE K3770-Z 3G Modem various users were getting problem, so here we have provided full article – Read the guide and process it carefully :
Vodafone K3770z unlocker tool
Vodafone K3770z unlocker tool
  1. Download Vodafone ZTE K3770Z unlocker tool and extract in a folder.
  2. Insert Vodafone ZTE K3770-Z 3G Modem to PC and let it install Vodafone Software with drivers.
  3. Now close the Vodafone default software and open extracted folder and run MultiCDMADownLoad.exe
  4. Now unlocking software will detect your modem port automatically.
  5. Now click Software Version button and Select extracted folder.
  6. Click arrow (download) button and wait.
  7. It will take 2-5 mins to finish and after that remove Vodafone ZTE K3770-Z 3G Modem from PC and re-plug the modem.
  8. Now download New MTS Dashboard (MTS ZTE MF192 dashboard / connection manager) or Unicom Dashboard (Connection Manager) ZTE MF 186 and install in your PC.
  9. Now your Vodafone ZTE K3770-Z 3G Modem is unlocked forever.
If you facing driver problem then download drivers from here (for both Unicom and MTS dashboard) and install it.
If after unlocking your Vodafone ZTE K3770-Z 3G Modem , CD drive and Micro SD card gets disabled then use these commands.
AT-Commands for Vodafone ZTE K3770-Z 3G Modem :
Run command one by one.
To run At command in your ZTE modem, tutorial is same as huawei, you can refer this guide.
Password of zip file is : nirav


  1. i followed ur all steps bt i forgot to install modem software just installed its drivers nd its giving an error on reaching @94% when i try in downlood tool
    nd now after that error i can’t find the cd drive or anything of modem
    any solutions?????

  2. I’ve unlocked/flashed it, now when I plug it into my system it just gives a plugin sound and then afterward no action done by it…..i’m unable to operate anything with it, I think it’s all firmware were gone! Please help me regarding this.

  3. thank u 4 giving such solution but this dashboard cannot work for roaming sim so,have u any idea about this pls tell me