If your xtool x100 pad2 gives your error ” GetUpdateListEx: Error code= 5. Data doesn’t exist.”, which means your 2-year free update online service is due.
Need to pay for new updates subscription expires after 2 years.
Pay for the yearly software ($400/year) update subscription to renew:
Xtool X100 Pad2/X100 Pad2 Pro Yearly Software Upgrade Subscription Service After 2 Years Free Update