PSP Go

How I can change my PSP back to normal firmware?

I'm exaggerating, I have an extra battery, I put in the way and what I can return the normal firmware instead of the usual?

As simple as this: Just download an update to Sony and clean firmwere hacked your way (http://www.us.playstation.com/Support/SystemUpdates/PSP) Hard Way: Simply make a Magic Memory Stick (search google file) Then look at the instructions that come with the file once you have an MMS, you can convert any battery into a Pandora battery and with whom the battery in a Pandora battery out the memory stick and battery now insert the first MMS, then drums, then you will be prompted to install an firmwere just click on custom or normal and that's normal.

PSP GO Unboxing! White! PlayStation Portable Unboxing Along With Gran Turismo Unopening! [HQ]