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Go to File Explorer > Flash File Store (this is the default storage folder. If another storage folder was set during install time, these files will be in that folder)
Find the file named "pdb.ini". Long press on the file and click "Delete".
Find the folder "PdbPkg" and delete that as well.
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Go to File Explorer > My Device and delete the files "PkInst" and "PkCtrlSv"
Find the folder "PdbInfo" and delete that as well.
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