You should download upgrade patch from here ftp://www.r4ids.co.cc/V143_Patch_R4iGold_Non3DS.rar
1.Copy V143C_Patch_R4iGOLD_NDSL. nds to your tf card
2.Just power your NDSL on and boot up V143C_Patch_R4iGOLD_NDSL. nds
3.Take your R4ids Gold out of the NDSL
4.Reinsert your R4ids Gold into the NDSL
5.Press KEY_A and the updating process will begin
6.You should keep your NDSL powered on during the updating process
7.IF the result shows SUCCESS, it means you have updated your R4ids Gold with success and this card can work on 3DSV2.1.0-4
For NDSi
1.Copy V143C_Patch_R4iGOLD_NDSi. nds to your tf card
2.Just power your NDSi on and boot up V143C_Patch_R4iGOLD_NDSi. nds
3.Attention:do not take out your R4ids Gold
4.Press KEY_A and the updating process will begin
5.You should keep your NDSL powered on during the updating process
6.IF the result shows SUCCESS, it means you have updated your R4ids Gold with success and this card can work on 3DS V2.1.0-4