Memory cards & Savestates after upgrading

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There is nothing special,you can even just move the new ppsspp exe into the old folder,detele the settings from(\memstick\PSP\SYSTEM\ppsspp.ini)and start the new ppsspp exe.

The problems are:
1.You need to delete your settings because sometimes old settings are not compatible with the new ppsspp version and ppsspp may crash
2.Save states are often not compatible with the newer ppsspp version(not always but most of the time)
3.Normal saves...there are some games that will not be able to load old saves(there is a change to ppsspp that will make some old saves to not work now).One example is KHBBSFM(patched).
I found that if you set EncryptSave to false and save again using the ppsspp version on which the saves work,then you will be able to load them on the newer ppsspp version.