Step 1: right click “SVDIUpdate v1.0.4″(the verison depends on the supplier’s newest released version), and open it.
Step 2: Click “Device Info” , and the device info will display in the right list, including: Device SN, Firmware version and Authorizations on Server: TAG and VAG.
Step 3: right click the device SN and copy it.
Step 4: Create a new txt document named “SN”, then paste the device SN in the txt document, with the SN, you can send it to the seller when you want to update.