Need help with firecard card please xxx

I brought a fire card the one that comes with the gba bit as well, i deleted something by mistake as it kept saying x.mat error or something to that effect, i re put that on but now when i download to the card is says sram upload error and my daughter cant play any games - any odeas what i have done please xxxxxx

Try reinstalling your firmware from http://www.linfoxdomain.com/ds/.