Good News!!! Xhorse adds the remote renew function to the VVDI Mini Key Tool in November 2019.
Update your Mini Key Tool software to V1.7.4 and firmware v1.6.1.
Note: Mini key tool does not comes with renew cable. You need to purchase renew adapters separately.
Unlock Hyundai 4-button remote
Select Remote Renew->Hyundai & Kia-> SVI_HMFNA04
Check wiring diagram and connect remote with vvdi mini key tool
Press Unlock button
Renew remote success