First, When your product encounter broken after using some days and need repair, we will provide repair service for you.
Second, Please contact with VXDIAG customers service about the repair.
Third, You need use ordinary airmail to send the item back to us, after we fix it, we will send back to you. We will not charge you for ordinary airmail ship back, but if you ask for express shipping, you need to pay for this.
Fourth, we have eu retun address and china return address, confirm us with your problems firstly then we can give you the related return address.