In that tutorial i'll show you how to use ZeroRCO Patcher.
With ZeroRCO Patcher you can load gameboots and custom flash files on 6.20 TN.
*ZeroRCO Patcher v0.1
*6.20 TN-C installed
How to install ZeroRCO Patcher
2.Unzip the archive.
3.Connect your PSP with the computer.
4.Copy zerorco_patcher.prx to seplugins in the psp root.
6.Add that line:
pspgo Users:ms0:/seplugins/zerorco_patcher.prx 1
7.Create a new folder called RCO in the seplugins Folder.ef0:/seplugins/zerorco_patcher.prx 1
8.Copy into that folder your rcos.
Only 6.20 rcos are working!.
HERE you can find the 6.20 RCOS.
Thanks NightStar3 for that awesome plugin ;)