after so many tries i found out that its not the SD card problem its the TTI itself
i tried using the TTi on a normal DS lite and it has the same problem
but after i used another TTi it worked fine
i tried switching the SD card and it works but on the 2nd TTi
i tried using the TTi on a normal DS lite and it has the same problem
but after i used another TTi it worked fine
i tried switching the SD card and it works but on the 2nd TTi