○ Symptom: When accessing KDS diagnostic functions, a User Authentication Failed error occurs
○ Solution 1. Log Back In
1. Log out of KDS.
2. Close all apps running on the tablet, including KDS.
3. Launch KDS, then log in and try again.
If the issue is not resolved using the steps above, proceed with Solution 2.
○ Solution 2. Clear the KDS App Data and Cache
1. Log out of KDS.
2. Close all apps running on the tablet, including KDS.
3. On the tablet, navigate to the following path.
Path: Settings -> Apps -> KDS2.0/KDS -> Storage
4. Select Clear data or Clear cache to proceed.
(All inspection data stored on the tablet will be deleted.)
5. Launch KDS, then log in and try again.
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