This guide will cover installing PRO or LME custom firmware on your PSP. Depending on your PSP model, you might need to install Infinity or cIPL to make it permanent on any PSP model. PRO and LME are custom firmware while Infinity and cIPL is a exploit to allow it to stay permanent. Visit this page if you need to update to 6.60 or 6.61 before installing custom firmware: Update PSP Official Firmware.
Psp firmware 6.20 update.rar
It was quite a long time ago since when Davee first talked about the possibility to create a new permanent-patch after Sony patched the first solution in the 6.30 firmware update due to new security checks. Since then we were dependend on the so called light Custom Firmwares with the need to be manually reactivated after a cold reboot.
But thats not everything. Davee as a long time scene dev and known to be a very anticipatory person even updated the Chronoswitch downgrader some time ago, with which you can now downgrade from the Infinity firmware back to a normal official one if needed.
So yes, thats basically it for now and all thats left to say is that despite of alot of testing, there still is the risk of (full)bricking your device because of whatever reason. Its YOUR choice to install Infinity or stick to the classic Light Custom firmwares!
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