How to fix “Installation error” when make F6/7 vehicle update

 
Issue:
 
When you receive “Installation error!” under vehicle database update, like screen:
 



Solution:
 
1) Go Settings and Click Data Cleaning, and then Start cleaning.
 



2) Go system settings and check Automatic data & time.
 



3) If the problem still occurs, check if your subscription is still valid, or call our support at 443-380-0088