If you are downgrading, never use the official Sony update path. You must launch the Modoru application first from the LiveArea, then select the PUP file from within the app.
For homebrew purposes (e.g., downgrading or restoring a hacked Vita):
Have a bricked Vita or need to downgrade? Always double-check your PUP’s MD5 hash against known-good archives before proceeding. One wrong byte, and your Vita may never wake up again.
If you are downgrading, never use the official Sony update path. You must launch the Modoru application first from the LiveArea, then select the PUP file from within the app.
For homebrew purposes (e.g., downgrading or restoring a hacked Vita):
Have a bricked Vita or need to downgrade? Always double-check your PUP’s MD5 hash against known-good archives before proceeding. One wrong byte, and your Vita may never wake up again.