How to Solve VVDI Key Tool Plus Failed to Update ‘VAG MQB49 5C 5D Function’ Problem?

Some users may find that the VAG MQB49 5C / 5D function on the Xhorse VVDI Key Tool Plus does not work and gets stuck on the update page.

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Solution:
Go to Update → Database Update

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Update both IMMO and PROG databases to the latest versions
Tap the question marks to check the newest required version

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Re-enter the MQB49 5C / 5D function
After updating the databases, the function should work normally.

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