ok You Do Not Need Custom Firmware But You Probly Downloaded The Wrong Reigon Game Save Let Me Explain.
Ok.
So For Ever Gamesave They Have Code Writtin On What Game To Work With Depending On Reigon.
So When the game starts up it doesnt see the save because It Is From A Different Reigon.
Some Ways To Fix This Would Be
1) download another save and Keep Trying
2)Download Another Verson Of The Game and make sure its the right one.
Ok.
So For Ever Gamesave They Have Code Writtin On What Game To Work With Depending On Reigon.
So When the game starts up it doesnt see the save because It Is From A Different Reigon.
Some Ways To Fix This Would Be
1) download another save and Keep Trying
2)Download Another Verson Of The Game and make sure its the right one.