OBDSTAR X300M “File Authorization Failed” Error Solution

OBSTAR X300M is odometer adjustment (All cars can be adjusted Via obd), it is standard configuration: Odometer adjustment + OBDII.If you want to change your car mileage,X300 M will be a perfect choice,it is support odometer change by OBD2 way,which is easy to use.

OBSTAR X300 M support update online,and we received the feedback that after update,it failed to us,just got “File Authorization Failed” error,like the following pic shows:

obdstar x300m obdstar-file-authorization-error-2

There will be 2 reasons for “File Authorization Failed”:

1.The serial number when you use for update X300M and your own OBDSTAR X300M is not matched,please check your X300M serial number,use the right serial number again to update.

How to Update OBDSTAR X300M?

  • 1. Remove the TF card from your device.Insert your TF card into computer.Format your TF card and ensure it is empty.
  • 2.Login OBDSTAR official website,and click “One Key upgrade”.
  • 3. Download and install the “One Key upgrade”. You will see this software.
  • 4.Open the “One Key upgrade”. Input your username and password. Then select “End User” and click “Log in”.
  • 5. Input your S/N.
  • 6.Select all and click “Upgrade”
  • 7.Upgrade is completed.

2.Maybe the procedure file in the machine is something wrong,if this problem,please contact customer service,it needs to send back to refresh data.