R4i gold V1.4.1 PROBLEM PLEASE HELP.

Hi guys,I have the R4i gold with the green sticker V1.4.1 revolution for ds (Ndsi XL/NDSI/NDSL/NDS) www.spam site
My Dsi XL is Ver 1.4E
My big problem is when i try to update to the latest software V.70b It says: Make sure download firmware from www.spam site otherwise please upgrade hardware!. I keep getting the same message for every sofware version.Can someone help me please.