Psvupdat.pup Download [portable] -

on the root of the drive. Inside that, create a folder named Place the File: Save the downloaded file as PSVUPDAT.PUP inside the folder (the path should be USB:/PSVITA/UPDATE/PSVUPDAT.PUP

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Unlike a PC, a PS Vita has limited recovery options. If you flash a corrupt or region-mismatched .pup : Psvupdat.pup Download