You cannot downgrade an iOS device without installing illegal hacks.
You can not downgrade any app. You can update, but not downgrade. There is nothing that you can do. Sorry.
One way to downgrade an iPhone 4 is to go into settings on the phone and reset it to factory settings.
You cannot downgrade the browser version of minecraft.
Sadly one you update to the latest iOS version, there is not way to downgrade or restore to an earlier version without using intricate hacks.
If you haven't saved your SHSH before updating then there is no way to downgrade. Saving SHSH isn't commonly done with iPhone users that aren't jailbroken/unlocked.
how to downgrade psp 4.01 version...i used Pandora and magic memmory but no responce from the psp?
Only the original iPhone should even be capable of physically achieving running that iOS version. And even then, you are not allowed by Apple to downgrade a device which would mean using hacks.
It is not yet possible to downgrade a PSP 3000 series.
download the Minecraft Version Changer
You can't do it.
Sorry i don't think that's possible =(
I tried to downgrade it but the program keeps telling me that it cant patch the installed version of the game?