Downgrading 3004 from 6.61 PRO-C2∞ to 6.60, error LPTFFFFFFFE, still boots into 6.60, UMD not working · Issue #2 · DaveeFTW/Chronoswitch · GitHub
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PSP 2020 Definitive Guide | How to install permanent custom firmware 6.61 PRO-C | Infinity 2 | ISO - YouTube
Custom Firmware freezes PSP 2000 and when I restart it the version is still 6.61 and has not updated | GBAtemp.net - The Independent Video Game Community
![Install PSP 6.61 Pro-C Infinity Custom Firmware | Page 6 | GBAtemp.net - The Independent Video Game Community Install PSP 6.61 Pro-C Infinity Custom Firmware | Page 6 | GBAtemp.net - The Independent Video Game Community](https://img.youtube.com/vi/4NRBFkX-F6c/0.jpg)
Install PSP 6.61 Pro-C Infinity Custom Firmware | Page 6 | GBAtemp.net - The Independent Video Game Community
![PSP: Revision 2.3/10.3 of the ME & LME CFW is now available - Adds Pro Online support, DAX-format and more! - Wololo.net PSP: Revision 2.3/10.3 of the ME & LME CFW is now available - Adds Pro Online support, DAX-format and more! - Wololo.net](https://i0.wp.com/wololo.net/wagic/wp-content/uploads/2014/07/pspdarkalex.jpg?ssl=1)
PSP: Revision 2.3/10.3 of the ME & LME CFW is now available - Adds Pro Online support, DAX-format and more! - Wololo.net
![Downgrading PSP 2000 using Chronoswitch v7 from 6.61 to 6.60 - error CAAFFFFFCF7 · Issue #1 · DaveeFTW/Chronoswitch · GitHub Downgrading PSP 2000 using Chronoswitch v7 from 6.61 to 6.60 - error CAAFFFFFCF7 · Issue #1 · DaveeFTW/Chronoswitch · GitHub](https://user-images.githubusercontent.com/9415146/114193310-af270180-994e-11eb-9df7-6ba415b8f1bb.jpg)