Well,we need update or activate it again if Launch X431 software expired.
If you are not sure how to update/activate the Launch X431 after two years,hope this blog help you a lot.
1.Make sure the app version v3.00.004 or newer.
2.Make sure logged in the account and check 'Update' interface>select all vehicle>click renewal
3.You can get better price if you buy a Launch Renewal Card from Kingbolen.
4.Launch X431 subscription renewal card like this.Please entry the password and submit when you got a renewal card.
5.Update all cars when you submitted the password,Thank you for your time.