Tell me which firmware version you are trying to downgrade to (e.g., 3.60, 3.65) so I can help confirm if you have the correct PSP2UPDAT.PUP file.
On [Date], a critical issue identified as "psp2updatpup" was reported, affecting [system/component name]. The problem caused [briefly describe the impact, e.g., "disruption to update services" or "system instability"]. This report outlines the steps taken to resolve the issue, the root cause analysis, and recommendations to prevent similar incidents in the future. psp2updatpup fixed
Place the file in ux0:app/MODORU000/psp2updat.pup . 2. Check the File Hash Tell me which firmware version you are trying