Downgrade Any Psp-1000/2000/3000/N1000 from OFW 6.60/6.39/6.35/6.31 to OFW 6.20
Disclaimer: this downgrader can now downgrade any firmwares from OFW 6.60, 6.39, 6.35 to OFW 6.20 now supports 09g motherboard which means any psp-3000/psp go can be downgraded back to OFW 6.20 and enjoy 6.20 PRO B9 permanent. already tested. Updating/Downgrading your firmware may cause a "brick" to your unit; Before you start downgrading your unit, always ask yourself if you really need to downgrade and why. I will not be held responsible for any damage or harm done to your unit by using the software provided and downloaded using this guide. This guide is tested using my psp-go (05g) and will work with any psp units (psp-1000/2000/3000/N1000). follow the steps carefully.
Steps:
note: if the downgrader wont start, it may require you to upgrade your psp to OFW 6.60 so that you can use the downgrader.
Download OFW 6.60 for Psp-2000/3000 = [You must be registered and logged in to see this link.]
Download OFW 6.60 for Psp-Go = [You must be registered and logged in to see this link.]
1. Download Davee's PSP Chronoswitch Downgrader v5 = [You must be registered and logged in to see this link.]
, copy "PSP folder" to your memstick root.
For Psp Go users: copy both "PSP folder" to your internal memory directory root (ef0:/).
2. Select the appropriate 6.20 official firmware to download:
Download OFW 6.20 for Psp-2000/3000 = [You must be registered and logged in to see this link.]
Download OFW 6.20 for Psp Go = [You must be registered and logged in to see this link.]
3. After you downloaded your OFW 6.20 updater; copy the "UPDATE" folder to your E:/PSP/GAME folder.
For Psp Go users: copy the "UPDATE" folder to your ef0:/PSP/GAME folder.
4. Make sure that your psp has at least 90% battery charge. Run Davee's Chronoswitch Downgrader, press X to proceed and wait until it verifies your OFW 6.20 updater installed in your GAME folder and your psp should takes a few seconds and it will load Sony's 6.20 updater.
5. Proceed with the 6.20 update and wait until it finishes. your psp will restart after the after the update and may start with a "BLUE warning message" press circle to fix this problem.
6. Congrats!!! you've successfully downgraded your Psp back to OFW 6.20.
Disclaimer: this downgrader can now downgrade any firmwares from OFW 6.60, 6.39, 6.35 to OFW 6.20 now supports 09g motherboard which means any psp-3000/psp go can be downgraded back to OFW 6.20 and enjoy 6.20 PRO B9 permanent. already tested. Updating/Downgrading your firmware may cause a "brick" to your unit; Before you start downgrading your unit, always ask yourself if you really need to downgrade and why. I will not be held responsible for any damage or harm done to your unit by using the software provided and downloaded using this guide. This guide is tested using my psp-go (05g) and will work with any psp units (psp-1000/2000/3000/N1000). follow the steps carefully.
Steps:
note: if the downgrader wont start, it may require you to upgrade your psp to OFW 6.60 so that you can use the downgrader.
Download OFW 6.60 for Psp-2000/3000 = [You must be registered and logged in to see this link.]
Download OFW 6.60 for Psp-Go = [You must be registered and logged in to see this link.]
1. Download Davee's PSP Chronoswitch Downgrader v5 = [You must be registered and logged in to see this link.]
, copy "PSP folder" to your memstick root.
For Psp Go users: copy both "PSP folder" to your internal memory directory root (ef0:/).
2. Select the appropriate 6.20 official firmware to download:
Download OFW 6.20 for Psp-2000/3000 = [You must be registered and logged in to see this link.]
Download OFW 6.20 for Psp Go = [You must be registered and logged in to see this link.]
3. After you downloaded your OFW 6.20 updater; copy the "UPDATE" folder to your E:/PSP/GAME folder.
For Psp Go users: copy the "UPDATE" folder to your ef0:/PSP/GAME folder.
4. Make sure that your psp has at least 90% battery charge. Run Davee's Chronoswitch Downgrader, press X to proceed and wait until it verifies your OFW 6.20 updater installed in your GAME folder and your psp should takes a few seconds and it will load Sony's 6.20 updater.
5. Proceed with the 6.20 update and wait until it finishes. your psp will restart after the after the update and may start with a "BLUE warning message" press circle to fix this problem.
6. Congrats!!! you've successfully downgraded your Psp back to OFW 6.20.