Ok one by one
--------------------- MERGED ---------------------------
A freind in gbatemp in the past told me that this was not an issue of missing boot.firm or damage sd card
--------------------- MERGED ---------------------------
Bro i try every of these file but nothing workDownload each one. but please try each one separately from each other.
--------------------- MERGED ---------------------------
A freind in gbatemp in the past told me that this was not an issue of missing boot.firm or damage sd card
--------------------- MERGED ---------------------------
That's clearly not the same behavior as just lack of boot.firm on memory or a bad (either formatted or damaged) SD card.
For now, you can try with this post. But it's possible that you finally have to use ntrboot, or even open your console to detect a hardware failure