How To Downgrade 2.71 without TA-082
Jul 23rd, 2007 by Big Monkey
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If your PSP is already a Version 2.71 and you do not have the TA-082 Motherboard or you have just upgraded to 2.71 and you do not have the TA-082 Motherboard:
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Download the 2.71 DOWNGRADER and extract the files to your desktop.
Click here for Download Help.
Please read Important Downgrading Information before you proceed.
- This downgrader DOES NOT WORK on TA-082 motherboards.
- This downgrader is for version 2.71 firmware only.
- It is appropriate for any PSP regardless of the region.
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INSTRUCTIONS:
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Step 1:
Open the 2.71 DOWNGRADER folder and double click on Downgrader2.71FULL.exe.
This will begin the downgrade process.
This is a great downgrader that has a video with voice walkthrough.
Make sure to turn on the sound on your computer. Follow all instructions.
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You are now downgraded to version 1.50.
Now go to Custom Firmware Upgrade
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