Which Key Version to Prepare Key File with VVDI MB?

 Question:

I got several vvdi BE key v3.1 version. Every time i prepare key file in xhorse vvdi mb tool, it asks me to select a key file version. V051/V41/V11, which version should I select?

Solution:

Xhorse VVDI MB allows users to load EEPROM dump file to make dealer key in in “Prepare Key File” function,

How to choose key version V51 V41 V11?

• To program VVDI BE key, V51 is recommended.
• V41 and V11 are selected when you write original NEC keys. 
• For old Motorolla 2MHZ, select v41
  For old Motorolla 4MHZ, select v11