This is pretty cool, for anyone who wishes to jump between 6.20 TN and 6.20 PRO. It’s Rinnegatamante’s Easy 6.20 DualBoot that does exactly that — boot either 6.20 TN or 6.20 PRO by pressing and holding “Start” during startup. Do note however, in the video you’ll see a “6.20 OFW” option, which isn’t actually implemented in the version you’re about to download.
Instructions
1.Copy PSP and seplugins folders to your PSP
2.Install 6.20 TN-x
3.Disable Flash0 Protection from Recovery Menu
4.Install Permanent Patch
5.Start Easy 6.20 DualBoot and Extract vshmain
6.Uninstall Permanent Patch
7.Install 6.20 PRO Xx
8.Install Permanent Patch
9.Start Easy 6.20 DualBoot and Extract vshmain
10.Uninstall Permanent Patch
11.Start Easy 6.20 DualBoot and Install DualBoot system modules
Commands (press & hold during PSP startup)