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How to Downgrade From 6.2 Firmware on a TA-082

Service tool batteries are used to downgrade Sony PSP consoles to earlier firmware releases. The service tool looks like a normal PSP battery, but is programmed to activate service mode when inserted into the PSP. The service tool battery can downgrade many PSP motherboards, including the TA-082 running version 6.2 firmware.

Things You'll Need

PSP service tool
MMS (sold with or separately from the service tool)

Instructions

- 1
  Remove the PSP's memory card and insert the magic memory stick. Remove the PSP's battery.
- 2
  Insert the service tool into the PSP's battery compartment, and the PSP will turn on on its own. The downgrading screen will be displayed.
- 3
  Press the "X" or "O" button, depending on the service tool manufacturer, to downgrade the PSP. The downgrade will take about two minutes to complete.
- 4
  Press the "X" button to shut off the PSP when signaled by the downgrading program.
- 5
  Remove the service tool battery and insert the default PSP battery into the PSP. Turn the PSP on and it will now be running the downgraded firmware.

Sony PSP