1 Year Software Update Subscription for X300 Pro 4 & KeyMaster 5

One year update subscription.
Online authorization completed within 24 working hours, no need shipping.
Please email a picture of device’s serial number to sales@obdii365.com.
Once the update subscription authorization is completed, there is no refund.
You can find the serial number on the back of the device or in the user information.

What do you need to do after the subscription is renewed?
1. Restart the device
2. Connect the device to the network
3. Click “DP”
4. Click “Upgrade” to update it